import java.awt.GridLayout;

import java.awt.event.*;

import javax.swing.*;

public class MyDecimalToBinary extends JFrame implements ActionListener{

JPanel myPanel ;

JTextField number ; 

JLabel r ;

JLabel result ;

JButton bin ;

public MyDecimalToBinary(){

myPanel = new JPanel(new GridLayout(4 ,2, 20 ,0 ));

number = new JTextField(10);

bin = new JButton("bin");

r = new JLabel(" Enter a number : ");

result = new JLabel("decimal to bin = ");

bin.addActionListener(this);

myPanel.add(r);

myPanel.add(number);

myPanel.add(result);

myPanel.add(bin);

this.add(myPanel);

}

public static void main(String[] args) {

MyDecimalToBinary first=new MyDecimalToBinary();

first.setTitle("Decimal to Binary");

first.setSize(300,200);

first.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

first.setVisible(true);

}

@Override

public void actionPerformed(ActionEvent event) {

if( event.getSource() == bin){

int decimal =Integer.parseInt(number.getText()) ;

String bin="";

while(decimal!=0){

bin=decimal%2+bin;

decimal/=2;

}

result.setText(""+bin);

}

}

}

شاهد الموضوع

import java.awt.GridLayout;

import java.awt.event.*;

import javax.swing.*;

public class Binarytodecimal {

public static class MyBinaryToDecimal extends JFrame implements ActionListener{

JPanel myPanel ;

JTextField number ; 

JLabel r ;

JLabel result ;

JButton decimal ;

public MyBinaryToDecimal(){

myPanel = new JPanel(new GridLayout(4 ,2, 20 ,0 ));

number = new JTextField(10);

decimal = new JButton("dicemal");

r = new JLabel(" Enter a number : ");

result = new JLabel("binary to decimal = ");

decimal.addActionListener(this);

myPanel.add(r);

myPanel.add(number);

myPanel.add(result);

myPanel.add(decimal);

this.add(myPanel);

}

public static void main(String[] args) {

MyBinaryToDecimal first=new MyBinaryToDecimal();

first.setTitle("binary to decimal");

first.setSize(300,200);

first.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

first.setVisible(true);

}

@Override

public void actionPerformed(ActionEvent event) {

if( event.getSource() == decimal){

int n = Integer.parseInt(number.getText()) ;

String decimal=""; int p=1; int s=0;

while(n > 0){

s=s+((n%10)*p);

p=p*2;

n/=10;

}

result.setText(""+s);

}

}

}

}

شاهد الموضوع

import java.awt.GridLayout;

import java.awt.event.*;

import javax.swing.*;

public class MyGUI {

public static class GUI extends JFrame implements ActionListener{

JPanel myPanel;

JTextField number1 ; 

JTextField number2 ;

JLabel n1 ;

JLabel n2 ;

JLabel result ;

JLabel r ;

JButton add ;

JButton sub ;

JButton Mul;

public GUI(){

myPanel = new JPanel(new GridLayout(5 ,2, 20 ,20 ));

number1 = new JTextField(10);

number2 = new JTextField(10);

sub = new JButton("-");

add = new JButton("+");

Mul=new JButton("*");

result = new JLabel();

n1 = new JLabel("First number : ");

n2 = new JLabel("Second Number : ");

r = new JLabel("Result = ");

add.addActionListener(this);

sub.addActionListener(this);

Mul.addActionListener(this);

myPanel.add(n1);

myPanel.add(number1);

myPanel.add(n2);

myPanel.add(number2);

myPanel.add(r);

myPanel.add(result);

myPanel.add(add);

myPanel.add(sub);

myPanel.add(Mul);

this.add(myPanel);

}

public static void main(String[] args) {

GUI frame=new GUI();

frame.setTitle("Calculate");

frame.setSize(300,200);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setVisible(true);

}

@Override

public void actionPerformed(ActionEvent event) {

if(event.getSource()==add){

int num1=Integer.parseInt(number1.getText());

int num2=Integer.parseInt(number2.getText());

int sum=num1+num2;

result.setText(""+sum);

}

if(event.getSource()==sub){

int num1=Integer.parseInt(number1.getText());

int num2=Integer.parseInt(number2.getText());

int sub=num1-num2;

result.setText(""+sub);

}

if(event.getSource()==Mul){

int num1=Integer.parseInt(number1.getText());

int num2=Integer.parseInt(number2.getText());

int Mul=num1*num2;

result.setText(""+Mul);

}

}

}

}

شاهد الموضوع

import java.awt.GridLayout;

import java.awt.event.*;

import javax.swing.*;

/**

*

* @author hp

*/

public class CtoF {

int num1 = 0;

JFrame frame;

JPanel panel;

JTextField text;

JLabel label;

JButton conv;

CtoF (){

frame = new JFrame();

GridLayout a = new GridLayout(3 ,2,10,10);

panel = new JPanel(a);

text = new JTextField();

conv = new JButton("convert");

label = new JLabel();

conv.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e)

{

num1=Integer.parseInt(text.getText());

label.setText(Integer.toString((int) (num1*1.8 +32)));

}}

);

panel.add(text);

panel.add(conv);

panel.add(label);

frame.setTitle("Converting from C to F");

frame.add(panel);

frame.setSize(300,200);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setResizable(false);

frame.setVisible(true);

}

public static void main(String[] args) {

new CtoF ();

}

}

شاهد الموضوع

import java.awt.GridLayout;

import java.awt.event.*;

import javax.swing.*;

public class Areacircle {

public static class MyareaCircle extends JFrame implements ActionListener{

JPanel myPanel ;

JTextField radius ; 

JLabel r ;

JLabel area ;

JLabel result ;

JButton click ;

public MyareaCircle(){

myPanel = new JPanel(new GridLayout(4 ,2, 20 ,0 ));

radius = new JTextField(10);

click = new JButton("click");

area = new JLabel();

r = new JLabel(" Enter radius : ");

result = new JLabel(" Area = ");

click.addActionListener(this);

myPanel.add(r);

myPanel.add(radius);

myPanel.add(result);

myPanel.add(area);

myPanel.add(click);

this.add(myPanel);

}

public static void main(String[] args) {

MyareaCircle first=new MyareaCircle();

first.setTitle("areaCircle");

first.setSize(300,200);

first.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

first.setVisible(true);

}

@Override

public void actionPerformed(ActionEvent event) {

if( event.getSource() == click){

double r1 = Double.parseDouble(radius.getText()) ;

double a = r1 * r1 * 3.14;

area.setText(""+a);

}

}

}

}

شاهد الموضوع

____________________________________________________________

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

/**

*

* @author Abdo

*/

public class NewClass {

int num1 = 0;

int num2 = 0;

JFrame frame;

JPanel panel;

JTextField text;

JTextField text1;

JLabel label;

JButton sub;

JButton mult;

NewClass (){

frame = new JFrame();

GridLayout a = new GridLayout(3 ,2,18,18);

panel = new JPanel(a);

text = new JTextField();

text1 = new JTextField();

sub = new JButton("-");

mult = new JButton("X");

label = new JLabel();

label.setText(Integer.toString(num1-num2));

sub.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e)

{

num1=Integer.parseInt(text.getText());

num2=Integer.parseInt(text1.getText());

label.setText(Integer.toString(num1-num2));

}}

);

mult.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e)

{

num1=Integer.parseInt(text.getText());

num2=Integer.parseInt(text1.getText());

label.setText(Integer.toString(num1*num2));

}}

);

panel.add(text);

panel.add(text1);

panel.add(sub);

panel.add(mult);

panel.add(label);

frame.setTitle("sub & multi");

frame.add(panel);

frame.setSize(300,200);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setResizable(false);

frame.setVisible(true);

}

public static void main(String[] args) {

new NewClass ();

}

}

شاهد الموضوع

_______________________________________________

import java.awt.GridLayout;

import java.awt.event.*;

import javax.swing.*;

public class Factorial extends JFrame implements ActionListener{

JTextField number;

JButton press;

JLabel Result;

JPanel myPanel;

public Factorial(){

myPanel = new JPanel(new GridLayout(3 ,1, 20 ,0 ));

number = new JTextField(10);

myPanel=new JPanel();

number=new JTextField(10);

press=new JButton("press");

Result=new JLabel(" ");

press.addActionListener(this);

myPanel.add(number);

myPanel.add(press);

myPanel.add(Result);

this.add(myPanel);

} 

public static void main(String[]args){

Factorial fact=new Factorial();

fact.setTitle("Factorial");

fact.setSize(300,100);

fact.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

fact.setVisible(true);

}

@Override

public void actionPerformed(ActionEvent event) {

if(event.getSource()==press){

int num = Integer.parseInt(number.getText()) ; 

int fact=1;

for(int i=1;i<=num;i++)

fact*=i;

Result.setText(""+fact);

}

}

}

شاهد الموضوع

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.border.Border;

public class Ca extends JPanel implements ActionListener {

    double q ;

    double w ; 

    double e ;

JFrame a;

JPanel ma;

    JPanel but;

    JPanel win;

    JPanel in;

    JButton add;

    JButton min;

    JButton mul;

    JButton div;

    JTextField in1;

    JTextField in2;

    JTextField out;

    Ca(){

Border border = BorderFactory.createLineBorder(Color.GRAY);

a = new JFrame();

ma = new JPanel(new BorderLayout());

but = new JPanel( );

win = new JPanel(new GridLayout(2,1));

add=new JButton("add");

min=new JButton("min");

mul=new JButton("mul");

div=new JButton("div");

in1 = new JTextField();

in2 = new JTextField();

out = new JTextField();

in= new JPanel(new GridLayout(2,2));

JLabel s = new JLabel("first");

JLabel d = new JLabel("second");

in1.setHorizontalAlignment(SwingConstants.CENTER);

in2.setHorizontalAlignment(SwingConstants.CENTER);

out.setHorizontalAlignment(SwingConstants.CENTER);

out.setFont(new Font("serif",Font.BOLD,20));

s.setHorizontalAlignment(SwingConstants.CENTER);

d.setHorizontalAlignment(SwingConstants.CENTER);

      s.setBorder(border);

      d.setBorder(border);

add.addActionListener(this);

min.addActionListener(this);

mul.addActionListener(this);

div.addActionListener(this);

but.add(add);

but.add(min);

but.add(mul);

but.add(div);

but.setBackground(Color.BLUE);

        in.add(s);

in.add(d);

in.add(in1);

in.add(in2);

in.setBackground(Color.CYAN);

win.add(in);

win.add(out,FlowLayout.CENTER);

ma.add(but,BorderLayout.SOUTH);

ma.add(win,BorderLayout.NORTH);

   ma.setBackground(Color.BLACK);

a.add(ma);

        a.setTitle("Simple Calc");

a.setSize(400,150);

a.setLocationRelativeTo(a);

a.setResizable(false);

a.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

a.setVisible(true);

}

public static void main (String [ ] st){

new Ca();

}

public void actionPerformed(ActionEvent at) {

try{ q=Integer.parseInt(in1.getText());

w=Integer.parseInt(in2.getText());

if (at.getSource()==add)e = q+w;

else if (at.getSource()==min)e= q-w;

else if (at.getSource()==mul)e=q*w;

else if(at.getSource()==div)if(w!=0)e=q/w;else e=0;

out.setText(Double.toString(e));

}catch(Exception e){

JOptionPane.showMessageDialog(a, "Error","Error",0);

}

}}

شاهد الموضوع