contoh program java sederhana: coding kalkulator binary sederhana

package FloatingPoint;

import com.sun.java.swing.plaf.windows.WindowsLookAndFeel;
import java.math.BigDecimal;
import java.math.BigInteger;
import javax.swing.JFrame;
import javax.swing.UIManager;

public class FloatingPoint extends javax.swing.JFrame {
private int numExponent = 8;
private int numMantissa = 23;
private int bitLength;
private int bias;
private final String[] HEX = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"};
private String zero;
int eksponen = 8;
int mantissa = 23;

int sumber, one, two;
String hasil;
String OC = "1";
String chi;

void DesimaltoBiner(){
sumber = Integer.parseInt(tx_decimal3.getText());
hasil = Integer.toBinaryString(sumber);
tx_biner1.setText(hasil);

String hoc = OneComplement1(hasil);
tx_oc1.setText(hoc);
}
void DesimaltoBiner2(){
sumber = Integer.parseInt(tx_decimal4.getText());
hasil = Integer.toBinaryString(sumber);
tx_biner2.setText(hasil);

String hoc = OneComplement1(hasil);
tx_oc.setText(hoc);
}

public static String intBits(int i) {
StringBuilder sb=new StringBuilder();
for (int j=0; j<32; ++j) {
sb.append('0'+(i & 0x80000000)>>>31);
i<<=1;
}
return sb.toString();
}
private String OneComplement1(String str) {
String result = "";
for (int i = 0; i < str.length(); i++) {
String ch = OneComplement2(str.charAt(i));
result += ch;
}
return result;
}

private String OneComplement2(char ch) {
char ui = '0';
if (ch == ui) {
chi = "1";
}
else {
chi = "0";
}
return chi;
}

public FloatingPoint(int numExponent, int numMantissa) {
this.numExponent = 8;
this.numMantissa = 23;

// Panjang bit total
setBitLength();
// Hitung Bias
calcBias();
// Buat representasi angka 0 dalam floating point
createZero();
}

public FloatingPoint() {
this(8, 23);
LookNFeel();
initComponents();
}

private void calcBias() {
bias = (int) Math.pow(2, numExponent-1) - 1;
}

public int getBias() {
return bias;
}

public void setNumExponent(int n) {
numExponent = n;
calcBias();

setBitLength();
createZero();
}

public int getNumExponent() {
return numExponent;
}

/** Mengeset panjang bit mantissa yang baru
* @param n nilai panjang bit mantissa yang baru
*/
public void setNumMantissa(int n) {
numMantissa = n;
setBitLength();
createZero();
}

/** Mengembalikan nilai panjang mantissa sekarang
* @return nilai panjang bit mantissa saat ini
*/
public int getNumMantissa() {
return numMantissa;
}

private void createZero() {
zero = "";
for(int i=0; i<bitLength; i++) {
zero += "0";
}
}

private String createZero(int len) {
String zero = "";
for(int i=0; i<len; i++) {
zero += "0";
}
return zero;
}

private boolean isZero(String bin) {
for(int i=0; i<bin.length(); i++) {
if(bin.charAt(i) == '1') {
return false;
}
}
return true;
}

private void setBitLength() {
bitLength = 1 + numExponent + numMantissa;
}

public String dec2FloatingPoint(double d) {
return dec2FloatingPoint(""+d);
}

public String dec2FloatingPoint(String dec) {
// Variabel yang akan di-return nanti
String fp = "";

//Preprocessing input, untuk input bilangan tanpa koma, nol, dan notasi ilmiah
dec = dec.toLowerCase();
if(!dec.contains(".")) {
dec += ".0";
}
if(dec.equals("0.0")) {
return zero;
}
if(dec.contains("e")) {
String[] numbers = dec.split("e");
int pangkat = Integer.parseInt(numbers[1]);
// Kalau pangkatnya negatif
if(pangkat < 0) {
String[] sig = numbers[0].split("\\.");
String padd = createZero(Math.abs(pangkat) - 1);
// Kalau angka di depan komanya positif
if(sig[0].charAt(0) != '-') {
dec = "0."+padd+sig[0]+sig[1];
} else {
dec = "-0."+padd + sig[0].substring(1)+sig[1];
}
}
}

//System.out.println(dec);
String[] splitted = dec.split("\\.");
double d = Double.parseDouble(dec);
long integral = Long.parseLong(splitted[0]);
String fractional = splitted[1];
//System.out.println("Integral part : " + integral);
//System.out.println("Fractional part : " + fractional);

// Bagian pertama, periksa tanda untuk memberi nilai signed bits yang letaknya di MSB (most significand bit) , negative 1 positive 0
if(d < 0) {
fp += "1";
} else {
fp += "0";
}

// Absolutkan nilai untuk mempermudah proses konversi
integral = Math.abs(integral);
d = Math.abs(d);

// Bagian kedua, konversi nilai di depan koma seperti konversi bilangan biasa ke binary
String binFront = dec2Binary(integral);
//System.out.println("binFront : "+binFront);

// Bagian ketiga, konversi nilai di belakang koma menggunakan method dec2Mantissa
String binBack = dec2Mantissa(fractional);
//System.out.println("binBack : "+binBack);

// Kalau representasi floating points-nya ternyata 0
if(isZero(binFront) && isZero(binBack)) {
return zero;
}

// Bagian keempat, hitung nilai eksponen-nya nanti setelah di normalisasi
// Ada dua kasus, nilainya di atas satu atau di bawah satu.
// Kalau di atas 1 nilai eksponenya positif. Kalau dibawah 1 nilainya negatif
int exp;
int counter = 0;
if(integral == 0) {
for(int i=0; i<binBack.length(); i++) {
if (binBack.charAt(i) == '0') {
counter++;
} else {
break;
}
}
counter++;
exp = -1*counter;
} else {
exp = binFront.length()-1;
}
//System.out.println("Exponent setelah normalisasi : "+exp);
//System.out.println("Counter : "+counter);

// Bagian kelima, normalisasi sesuai banyak nilai eksponen yang sudah dihitung diatas
if(integral == 0) {
binBack = binBack.substring(counter);
} else if(binFront.length() != 1) {
binBack = binFront.substring(1) + binBack;
}

// Masih bagian dari yang kelima, cukupkan jumlah bit-nya. Tambah bit 0 dibelakang binBack jika kurang
// Atau potong sebanyak jumlah bit mantissa yang di-support
int len = binBack.length();
if(len < numMantissa) {
for(int i=0; i<numMantissa-len; i++) {
binBack += "0";
}
} else if(len > numMantissa) {
binBack = binBack.substring(0, numMantissa);
}
//System.out.println("binBack setelah dinormalisasi : "+binBack);

// Tahap keenam, jumlahkan nilai eksponen dengan bias dan konversi ke binary sebanyak jumlah bit eksponen
exp = exp + bias;
String exponent = dec2Binary(exp, numExponent);
//System.out.println("Exponent : "+exponent);

fp += exponent + binBack;
return fp;
}

public String fp2Decimal(String fp) {
// Variabel yang akan di-return nantinya
String decimal = "";

// Tahap pertama, tentukan negatif atau tidak Dilihat dari signed bit-nya alias bit MSB-nya
// 1 negatif, 0 positif
if(fp.charAt(0) == '1') {
decimal += "-";
}

// Tahap kedua, tentukan nilai eksponen-nya, setelah dikurangi bias
String exponent = fp.substring(1, 1+numExponent);
int exp = bin2Decimal(exponent);
exp -= bias;
//System.out.println("Pangkatnya " + exp);

// Tahap ketiga, bagi binari menjadi dua, bilangan didepan koma dan yang dibelakang koma
// Sesuai nilai eksponen yang sudah didapat sebelumnya.
String bits = "1" + fp.substring(numExponent+1);
String integral = "";
String fractional = "";
if(exp < 0) {
String pad = "";
for(int i=0; i<Math.abs(exp)-1; i++) {
pad += "0";
}
integral = "0";
fractional = pad + bits;
} else {
if (bits.length() >= exp+1) {
integral += bits.substring(0, exp+1);
fractional = bits.substring(exp+1);
} else {
int diff = bits.length() - exp + 1;
String pad = "";
for(int i=0; i<diff; i++) {
pad += "0";
}
integral += bits + pad;
fractional = "0";
}
}
//System.out.println("Integralnya "+integral);
//System.out.println("Fractionalnya "+fractional);

// Tahap keempat, hitung nilai asli integralnya dan fractionalnya
String decFront = ""+bin2Decimal(integral);
String decBack = mantissa2Decimal(fractional);

decimal += decFront +"."+ decBack;
return decimal;
}

public String dec2Binary(long dec) {
if(dec <= 0) {
return "0";
}

String bin = "";
while(dec != 0) {
bin += dec % 2;
dec = dec / 2;
}
//System.out.println("Sebelum dibalik : "+bin);

// Dibalik dulu sebelum dikembalikan
String temp = "";
for(int i=bin.length()-1; i >= 0; i--) {
temp += bin.charAt(i);
}
return temp;
}

public String dec2Binary(long dec, int bit) {
String bin = dec2Binary(dec);

// Kalau kurang di padding 0 didepannya sebanyak kurangnya, kalau lebih dipotong
int len = bin.length();
if(len < bit) {
String padder = "";
for(int i = 0; i < bit-len; i++) {
padder += "0";
}
bin = padder + bin;
} else if(len > bit) {
bin = bin.substring(0, bit);
}

return bin;
}

public int bin2Decimal(String bin) {
int dec = 0;
int len = bin.length()-1;
for(int i = len; i >= 0; i--) {
if(bin.charAt(i) == '1') {
dec += Math.pow(2, len-i);
}
}
return dec;
}

public String bin2Hex(String bin) {
String hex = "";
int len = bin.length();
for(int i = 0; i < len; i += 4) {
String number = bin.substring(i, i+4);
int index = bin2Decimal(number);
hex += HEX[index];
}
return hex;
}

public String hex2Binary(String hex) {
String bin = "";
for(int i=0; i<hex.length(); i++) {

// Cari index yang menunjuk karakter hexadesimal tersebut di array HEX
int index = 0;
for(int j=0; j<HEX.length; j++) {
String chara = ""+hex.charAt(i);
if(chara.equals(HEX[j])) {
index = j;
break;
}
}
bin += dec2Binary(index, 4);
}
return bin;
}

public String dec2Mantissa(Long frac) {
return dec2Mantissa(""+frac);
}

public String dec2Mantissa(String frac) {
String mantissa = "";
BigInteger fractal = new BigInteger(frac);
BigInteger threshold = new BigInteger("10").pow(frac.length());//(long) Math.pow(10, frac.length());
int counter = 0;
//System.out.println("fractal : "+fractal);
//System.out.println("threshold : "+threshold);

// Batas loop-nya adalah sampai fractal 0 atau sudah dilakukan sebanyak numMantissa+bias
// Karena batas angka digeser untuk floating point adalah sebanyak nilai bias
while((!fractal.equals(BigInteger.ZERO)) && counter <= numMantissa+bias) {
fractal = fractal.multiply(new BigInteger("2"));
//System.out.println("Fractal saat ini : "+fractal);

if(fractal.compareTo(threshold) >= 0) {
mantissa += "1";
fractal = fractal.subtract(threshold);
} else {
mantissa += "0";
}
counter++;
}
return mantissa;
}

public String mantissa2Decimal(String mantissa) {
double val = 0;
BigDecimal value;
for(int i=0; i<mantissa.length(); i++) {
if(mantissa.charAt(i) == '1') {
val += 1.0 / Math.pow(2, i+1);
//System.out.println(val);
}
}
value = new BigDecimal(val);
if(val == 0) {
return "0";
}
return value.toString().substring(2);
}

public void DesimaltoFloating(){
FloatingPoint util = new FloatingPoint(eksponen, mantissa);

double input = Double.parseDouble(tx_decimal3.getText());
String hasil = util.dec2FloatingPoint(input);
tx_floating1.setText(hasil);
}
public void DesimaltoFloating2(){
FloatingPoint util = new FloatingPoint(eksponen, mantissa);

double input = Double.parseDouble(tx_decimal4.getText());
String hasil = util.dec2FloatingPoint(input);
tx_floating2.setText(hasil);
}
public void twocomplement(){
FloatingPoint util = new FloatingPoint(eksponen, mantissa);

int input= Integer.parseInt(tx_decimal3.getText());
String hasil = util.dec2FloatingPoint(input);
tx_tc.setText(intBits(input));
}
public void twocomplement2(){
FloatingPoint util = new FloatingPoint(eksponen, mantissa);

int input= Integer.parseInt(tx_decimal4.getText());
String hasil = util.dec2FloatingPoint(input);
tx_tc1.setText(intBits(input));
}
public void kali(){
FloatingPoint util = new FloatingPoint(eksponen, mantissa);
int input= Integer.parseInt(tx_decimal3.getText());
int input2= Integer.parseInt(tx_decimal4.getText());
int a = input*input2;
aritmatika.setText(""+a);

hasil = Integer.toBinaryString(a);
hasilbiner.setText(hasil);
}
public void bagi(){
FloatingPoint util = new FloatingPoint(eksponen, mantissa);
int input= Integer.parseInt(tx_decimal3.getText());
int input2= Integer.parseInt(tx_decimal4.getText());
int a = input/input2;
aritmatika.setText(""+a);

hasil = Integer.toBinaryString(a);
hasilbiner.setText(hasil);
}
public void tambah(){
FloatingPoint util = new FloatingPoint(eksponen, mantissa);
int input= Integer.parseInt(tx_decimal3.getText());
int input2= Integer.parseInt(tx_decimal4.getText());
int a = input+input2;
aritmatika.setText(""+a);

hasil = Integer.toBinaryString(a);
hasilbiner.setText(hasil);
}
public void kurang(){
FloatingPoint util = new FloatingPoint(eksponen, mantissa);
int input= Integer.parseInt(tx_decimal3.getText());
int input2= Integer.parseInt(tx_decimal4.getText());
int a = input-input2;
aritmatika.setText(""+a);

hasil = Integer.toBinaryString(a);
hasilbiner.setText(hasil);
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {

jPanel10 = new javax.swing.JPanel();
jPanel6 = new javax.swing.JPanel();
jPanel4 = new javax.swing.JPanel();
jLabel9 = new javax.swing.JLabel();
tx_decimal3 = new javax.swing.JTextField();
jButton5 = new javax.swing.JButton();
jLabel1 = new javax.swing.JLabel();
tx_decimal4 = new javax.swing.JTextField();
tambah = new javax.swing.JButton();
kurang = new javax.swing.JButton();
kali = new javax.swing.JButton();
bagi = new javax.swing.JButton();
aritmatika = new javax.swing.JTextField();
jLabel3 = new javax.swing.JLabel();
jPanel1 = new javax.swing.JPanel();
hasilbiner = new javax.swing.JTextField();
jButton1 = new javax.swing.JButton();
jPanel2 = new javax.swing.JPanel();
jLabel10 = new javax.swing.JLabel();
tx_biner1 = new javax.swing.JTextField();
tx_biner2 = new javax.swing.JTextField();
jLabel4 = new javax.swing.JLabel();
jLabel5 = new javax.swing.JLabel();
jPanel3 = new javax.swing.JPanel();
jLabel6 = new javax.swing.JLabel();
tx_floating1 = new javax.swing.JTextField();
tx_floating2 = new javax.swing.JTextField();
jLabel13 = new javax.swing.JLabel();
jLabel12 = new javax.swing.JLabel();
jPanel5 = new javax.swing.JPanel();
jLabel11 = new javax.swing.JLabel();
tx_oc1 = new javax.swing.JTextField();
tx_oc = new javax.swing.JTextField();
jLabel7 = new javax.swing.JLabel();
jLabel8 = new javax.swing.JLabel();
jPanel7 = new javax.swing.JPanel();
jLabel2 = new javax.swing.JLabel();
tx_tc = new javax.swing.JTextField();
tx_tc1 = new javax.swing.JTextField();
jLabel15 = new javax.swing.JLabel();
jLabel14 = new javax.swing.JLabel();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

jPanel10.setBackground(new java.awt.Color(0, 204, 204));
jPanel10.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "created by Edwin (G1A010038)", javax.swing.border.TitledBorder.LEFT, javax.swing.border.TitledBorder.ABOVE_TOP, new java.awt.Font("Tw Cen MT Condensed Extra Bold", 1, 14))); // NOI18N

jPanel6.setBackground(new java.awt.Color(0, 102, 102));
jPanel6.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "KALKUVERTER", javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.BELOW_BOTTOM, new java.awt.Font("Tahoma", 1, 14), new java.awt.Color(5, 5, 5))); // NOI18N

jPanel4.setBackground(new java.awt.Color(0, 204, 204));
jPanel4.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));

jLabel9.setText("Bilangan 1");

jButton5.setText("Konversi");
jButton5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton5ActionPerformed(evt);
}
});

jLabel1.setText("Bilangan 2");

tambah.setText("+");
tambah.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
tambahActionPerformed(evt);
}
});

kurang.setText("-");
kurang.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
kurangActionPerformed(evt);
}
});

kali.setText("x");
kali.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
kaliActionPerformed(evt);
}
});

bagi.setText(":");
bagi.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
bagiActionPerformed(evt);
}
});

jLabel3.setText("HASIL");

jPanel1.setBackground(new java.awt.Color(0, 102, 102));
jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("HASIL"));

javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addComponent(hasilbiner, javax.swing.GroupLayout.DEFAULT_SIZE, 178, Short.MAX_VALUE)
.addContainerGap())
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(hasilbiner, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap())
);

javax.swing.GroupLayout jPanel4Layout = new javax.swing.GroupLayout(jPanel4);
jPanel4.setLayout(jPanel4Layout);
jPanel4Layout.setHorizontalGroup(
jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel4Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel4Layout.createSequentialGroup()
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel4Layout.createSequentialGroup()
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel9)
.addComponent(jLabel1))
.addGap(48, 48, 48)
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(tx_decimal4, javax.swing.GroupLayout.DEFAULT_SIZE, 228, Short.MAX_VALUE)
.addComponent(tx_decimal3, javax.swing.GroupLayout.DEFAULT_SIZE, 228, Short.MAX_VALUE)
.addGroup(jPanel4Layout.createSequentialGroup()
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jLabel3)
.addGroup(jPanel4Layout.createSequentialGroup()
.addComponent(tambah)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(kurang)))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(kali)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(bagi))))
.addComponent(jButton5, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 102, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap())
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel4Layout.createSequentialGroup()
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap()))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel4Layout.createSequentialGroup()
.addComponent(aritmatika, javax.swing.GroupLayout.PREFERRED_SIZE, 102, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap())))
);
jPanel4Layout.setVerticalGroup(
jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel4Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel9)
.addComponent(tx_decimal3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(tx_decimal4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jButton5, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(tambah)
.addComponent(kurang)
.addComponent(kali)
.addComponent(bagi))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(aritmatika, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel3))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(14, Short.MAX_VALUE))
);

jButton1.setText("keluar");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});

jPanel2.setBackground(new java.awt.Color(0, 204, 204));
jPanel2.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));

jLabel10.setForeground(new java.awt.Color(0, 51, 153));
jLabel10.setText("Bilangan Biner");

tx_biner1.setEnabled(false);

tx_biner2.setEditable(false);
tx_biner2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
tx_biner2ActionPerformed(evt);
}
});

jLabel4.setText("1");

jLabel5.setText("2");

javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
jPanel2.setLayout(jPanel2Layout);
jPanel2Layout.setHorizontalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel4)
.addComponent(jLabel5))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(tx_biner1, javax.swing.GroupLayout.DEFAULT_SIZE, 157, Short.MAX_VALUE)
.addComponent(tx_biner2)))
.addGroup(jPanel2Layout.createSequentialGroup()
.addGap(22, 22, 22)
.addComponent(jLabel10)))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel10)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(tx_biner1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel4))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(tx_biner2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel5))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);

jPanel3.setBackground(new java.awt.Color(0, 204, 204));
jPanel3.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));

jLabel6.setForeground(new java.awt.Color(0, 0, 204));
jLabel6.setText("Floating Point");

tx_floating1.setEditable(false);

tx_floating2.setEditable(false);

jLabel13.setText("1");

jLabel12.setText("2");

javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
jPanel3.setLayout(jPanel3Layout);
jPanel3Layout.setHorizontalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel3Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel13)
.addComponent(jLabel12))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(tx_floating2, javax.swing.GroupLayout.DEFAULT_SIZE, 261, Short.MAX_VALUE)
.addComponent(tx_floating1, javax.swing.GroupLayout.DEFAULT_SIZE, 261, Short.MAX_VALUE)
.addGroup(jPanel3Layout.createSequentialGroup()
.addGap(53, 53, 53)
.addComponent(jLabel6)))
.addContainerGap())
);
jPanel3Layout.setVerticalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel3Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel6)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(tx_floating1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel13))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(tx_floating2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel12))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);

jPanel5.setBackground(new java.awt.Color(0, 204, 204));
jPanel5.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));

jLabel11.setForeground(new java.awt.Color(0, 0, 204));
jLabel11.setText("One's Complement");

tx_oc1.setEnabled(false);

tx_oc.setEditable(false);

jLabel7.setText("2");

jLabel8.setText("1");

javax.swing.GroupLayout jPanel5Layout = new javax.swing.GroupLayout(jPanel5);
jPanel5.setLayout(jPanel5Layout);
jPanel5Layout.setHorizontalGroup(
jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel5Layout.createSequentialGroup()
.addGroup(jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel5Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel8)
.addComponent(jLabel7))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(tx_oc1, javax.swing.GroupLayout.DEFAULT_SIZE, 167, Short.MAX_VALUE)
.addComponent(tx_oc, javax.swing.GroupLayout.DEFAULT_SIZE, 167, Short.MAX_VALUE)))
.addGroup(jPanel5Layout.createSequentialGroup()
.addGap(43, 43, 43)
.addComponent(jLabel11)))
.addContainerGap())
);
jPanel5Layout.setVerticalGroup(
jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel5Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel11)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel8)
.addGroup(jPanel5Layout.createSequentialGroup()
.addComponent(tx_oc1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(tx_oc, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel7))))
.addContainerGap(13, Short.MAX_VALUE))
);

jPanel7.setBackground(new java.awt.Color(0, 204, 204));
jPanel7.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));

jLabel2.setForeground(new java.awt.Color(0, 0, 204));
jLabel2.setText("Two Comploment");

tx_tc.setEditable(false);

tx_tc1.setEditable(false);

jLabel15.setText("1");

jLabel14.setText("2");

javax.swing.GroupLayout jPanel7Layout = new javax.swing.GroupLayout(jPanel7);
jPanel7.setLayout(jPanel7Layout);
jPanel7Layout.setHorizontalGroup(
jPanel7Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel7Layout.createSequentialGroup()
.addGroup(jPanel7Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel7Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel7Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel15)
.addComponent(jLabel14))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel7Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(tx_tc1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 261, Short.MAX_VALUE)
.addComponent(tx_tc, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 261, Short.MAX_VALUE)))
.addGroup(jPanel7Layout.createSequentialGroup()
.addGap(81, 81, 81)
.addComponent(jLabel2)))
.addContainerGap())
);
jPanel7Layout.setVerticalGroup(
jPanel7Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel7Layout.createSequentialGroup()
.addGap(6, 6, 6)
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel7Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel15)
.addGroup(jPanel7Layout.createSequentialGroup()
.addGap(26, 26, 26)
.addComponent(jLabel14))
.addGroup(jPanel7Layout.createSequentialGroup()
.addComponent(tx_tc, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(tx_tc1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(13, Short.MAX_VALUE))
);

javax.swing.GroupLayout jPanel6Layout = new javax.swing.GroupLayout(jPanel6);
jPanel6.setLayout(jPanel6Layout);
jPanel6Layout.setHorizontalGroup(
jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel6Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel6Layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 89, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(86, 86, 86))
.addGroup(jPanel6Layout.createSequentialGroup()
.addGap(18, 18, 18)
.addGroup(jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jPanel5, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jPanel2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel7, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addContainerGap())))
);
jPanel6Layout.setVerticalGroup(
jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel6Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel6Layout.createSequentialGroup()
.addGroup(jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jPanel3, 0, 90, Short.MAX_VALUE)
.addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addGap(29, 29, 29)
.addGroup(jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jPanel5, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jPanel7, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addGap(25, 25, 25)
.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 39, javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);

javax.swing.GroupLayout jPanel10Layout = new javax.swing.GroupLayout(jPanel10);
jPanel10.setLayout(jPanel10Layout);
jPanel10Layout.setHorizontalGroup(
jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel10Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jPanel10Layout.setVerticalGroup(
jPanel10Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel10Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel10, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel10, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
);

pack();
}// </editor-fold>

private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
DesimaltoBiner();
DesimaltoFloating();
twocomplement();
DesimaltoBiner2();
DesimaltoFloating2();
twocomplement2();
}

private void tx_biner2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}

private void tambahActionPerformed(java.awt.event.ActionEvent evt) {
tambah();
}

private void kaliActionPerformed(java.awt.event.ActionEvent evt) {
kali();
}

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
System.exit(0);
}

private void kurangActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
kurang();
}

private void bagiActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
bagi();
}

/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new FloatingPoint().setVisible(true);
}
});
}

// Variables declaration - do not modify
private javax.swing.JTextField aritmatika;
private javax.swing.JButton bagi;
private javax.swing.JTextField hasilbiner;
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton5;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel10;
private javax.swing.JLabel jLabel11;
private javax.swing.JLabel jLabel12;
private javax.swing.JLabel jLabel13;
private javax.swing.JLabel jLabel14;
private javax.swing.JLabel jLabel15;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JLabel jLabel6;
private javax.swing.JLabel jLabel7;
private javax.swing.JLabel jLabel8;
private javax.swing.JLabel jLabel9;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel10;
private javax.swing.JPanel jPanel2;
private javax.swing.JPanel jPanel3;
private javax.swing.JPanel jPanel4;
private javax.swing.JPanel jPanel5;
private javax.swing.JPanel jPanel6;
private javax.swing.JPanel jPanel7;
private javax.swing.JButton kali;
private javax.swing.JButton kurang;
private javax.swing.JButton tambah;
private javax.swing.JTextField tx_biner1;
private javax.swing.JTextField tx_biner2;
private javax.swing.JTextField tx_decimal3;
private javax.swing.JTextField tx_decimal4;
private javax.swing.JTextField tx_floating1;
private javax.swing.JTextField tx_floating2;
private javax.swing.JTextField tx_oc;
private javax.swing.JTextField tx_oc1;
private javax.swing.JTextField tx_tc;
private javax.swing.JTextField tx_tc1;
// End of variables declaration

public void LookNFeel() {
try {
JFrame.setDefaultLookAndFeelDecorated(true);
UIManager.setLookAndFeel(new WindowsLookAndFeel());
} catch (Exception e) {
}
}
}

~~Download program~~ disini

contoh program java sederhana

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Sabtu, 07 Januari 2012

coding kalkulator binary sederhana

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