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ImRohitSinghImRohitSingh
authored
SWING
1 parent a259175 commit 083460c

12 files changed

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lines changed

Diff for: ‎BasicCalculator.java

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public class BasicCalculator
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{
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public static void main(String[] args)
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{
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new Calculator();
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}
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}

Diff for: ‎BorderLayoutExample.java

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import java.awt.*;
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import javax.swing.*;
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public class BorderLayoutExample
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{
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BorderLayoutExample()
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{
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JFrame frame = new JFrame("Border Layout");
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frame.setSize(400, 400);
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frame.setResizable(false);
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JPanel panel = new JPanel();
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panel.setLayout(new BorderLayout(2,2));
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JButton b1 = new JButton("Button 1");
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JButton b2 = new JButton("Button 2");
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JButton b3 = new JButton("Button 3");
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JButton b4 = new JButton("Button 4");
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JButton b5 = new JButton("Button 5");
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b1.setBorder(BorderFactory.createLineBorder(Color.red));
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b2.setBorder(BorderFactory.createLineBorder(Color.red));
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b3.setBorder(BorderFactory.createLineBorder(Color.red));
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b4.setBorder(BorderFactory.createLineBorder(Color.red));
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b5.setBorder(BorderFactory.createLineBorder(Color.red));
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panel.add(b1, BorderLayout.NORTH);
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panel.add(b5, BorderLayout.SOUTH);
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panel.add(b2, BorderLayout.WEST);
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panel.add(b4, BorderLayout.EAST);
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panel.add(b3, BorderLayout.CENTER);
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frame.add(panel);
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frame.setVisible(true);
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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}
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public static void main(String[] args)
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{
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new BorderLayoutExample();
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}
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}

Diff for: ‎Calculator.java

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import java.awt.Color;
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import java.awt.event.ActionListener;
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import java.awt.event.ActionEvent;
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import javax.swing.*;
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public class Calculator implements ActionListener
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{
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JFrame frame;
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JPanel panel;
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JButton b1, b2;
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JTextArea inp1, inp2, result;
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public void actionPerformed(ActionEvent e)
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{
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String s1 = inp1.getText();
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String s2 = inp2.getText();
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try
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{
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double d1 = Double.parseDouble(s1);
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double d2 = Double.parseDouble(s2);
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double res = 0.0;
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if( e.getSource() == b1)
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res = d1 + d2;
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else if( e.getSource() == b2)
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res = d1 - d2;
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result.setText(res+"");
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}
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catch(NumberFormatException nfe)
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{
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JFrame newFrame = new JFrame();
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JOptionPane.showMessageDialog(newFrame, "Please enter numeric values only!");
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}
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}
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Calculator()
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{
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frame = new JFrame("Basic Calculator");
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panel = new JPanel();
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panel.setLayout(null);
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inp1 = new JTextArea("");
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inp2 = new JTextArea("");
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result = new JTextArea("");
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result.setEditable(false);
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b1 = new JButton(new ImageIcon("F:\\Heritage\\5th Sem Edu\\Advanced Java\\Lab Solutions\\Swing\\plus.png"));
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b2 = new JButton(new ImageIcon("F:\\Heritage\\5th Sem Edu\\Advanced Java\\Lab Solutions\\Swing\\minus.png"));
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inp1.setBounds(30, 50, 430, 20);
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inp2.setBounds(30, 100, 430, 20);
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result.setBounds(30, 150, 430, 20);
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b1.setBounds(110, 180, 60, 60);
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b2.setBounds(270, 180, 60, 60);
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inp1.setBorder(BorderFactory.createLineBorder(Color.RED));
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inp2.setBorder(BorderFactory.createLineBorder(Color.RED));
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result.setBorder(BorderFactory.createDashedBorder(Color.BLUE));
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panel.add(inp1);
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panel.add(inp2);
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panel.add(result);
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panel.add(b1);
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panel.add(b2);
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frame.add(panel);
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b1.addActionListener(this);
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b2.addActionListener(this);
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frame.setSize(500, 500);
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frame.setResizable(false);
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frame.setVisible(true);
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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}
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}

Diff for: ‎Convert.java

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import java.awt.event.*;
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import javax.swing.*;
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public class Convert
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{
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Convert()
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{
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// Frame
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JFrame frame = new JFrame("Temperature Convertor"); // create reference of the frame
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frame.setSize(400, 400); // set size of the frame
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frame.setResizable(false); // size of the frame cannot be changed
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// Panel
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JPanel panel = new JPanel(); // create reference of the panel
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panel.setLayout(null);
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JLabel label1 = new JLabel("Enter Temperature: ");
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label1.setBounds(70, 30, 150, 50);
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JTextArea text = new JTextArea("");
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text.setBounds(220, 30, 100, 50);
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JLabel label2 = new JLabel("Convert into: ");
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label2.setBounds(150, 130, 120, 30);
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JRadioButton radio1 = new JRadioButton("Farenheit",true); // choose Farenheit by default
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JRadioButton radio2 = new JRadioButton("Celsius");
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radio1.setBounds(150, 160, 100, 20);
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radio2.setBounds(150, 180, 100, 20);
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ButtonGroup bg = new ButtonGroup(); // to enable choosing only one radio button
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JButton button = new JButton("CONVERT");
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button.setBounds(150, 230, 100, 20);
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JLabel label3 = new JLabel("");
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label3.setBounds(70, 280, 250,50);
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// the anonymous event
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button.addActionListener
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(
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new ActionListener()
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{
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public void actionPerformed(ActionEvent e)
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{
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try
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{
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double temp = Double.parseDouble(text.getText());
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double result;
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if(radio1.isSelected())
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{
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result = 9.0/5*temp + 32;
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label3.setText("The temperature in Farenheit = "+result);
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}
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else if(radio2.isSelected())
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{
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result = 5.0/9 * (temp - 32);
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label3.setText("The temperature in Farenheit = "+result);
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}
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}
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catch(NumberFormatException nfe)
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{
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JFrame newFrame = new JFrame();
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JOptionPane.showMessageDialog(newFrame, "Please enter a number!");
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}
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}
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}
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);
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// adding components to the button group
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bg.add(radio1);
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bg.add(radio2);
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// adding components to the panel
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panel.add(label1);
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panel.add(text);
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panel.add(label2);
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panel.add(radio1);
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panel.add(radio2);
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panel.add(button);
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panel.add(label3);
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// adding component(s) to the frame
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frame.add(panel); // add the panel to the frame
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // to terminate the program on closing the frame
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frame.setVisible(true); // to make the frame visible
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}
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}

Diff for: ‎GridLayoutExample.java

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import java.awt.*;
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import javax.swing.*;
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public class GridLayoutExample
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{
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GridLayoutExample()
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{
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JFrame frame = new JFrame("Grid Layout");
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frame.setSize(400, 400);
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frame.setResizable(false);
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JPanel panel = new JPanel();
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panel.setLayout(new GridLayout(2,3,4,4));
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JButton b1 = new JButton("Button 1");
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JButton b2 = new JButton("Button 2");
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JButton b3 = new JButton("Button 3");
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JButton b4 = new JButton("Button 4");
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JButton b5 = new JButton("Button 5");
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JButton b6 = new JButton("Button 6");
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b1.setBorder(BorderFactory.createLineBorder(Color.red));
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b2.setBorder(BorderFactory.createLineBorder(Color.red));
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b3.setBorder(BorderFactory.createLineBorder(Color.red));
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b4.setBorder(BorderFactory.createLineBorder(Color.red));
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b5.setBorder(BorderFactory.createLineBorder(Color.red));
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b6.setBorder(BorderFactory.createLineBorder(Color.red));
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panel.applyComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT);
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panel.add(b1);
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panel.add(b2);
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panel.add(b3);
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panel.add(b4);
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panel.add(b5);
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panel.add(b6);
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frame.add(panel);
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frame.setVisible(true);
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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}
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public static void main(String[] args)
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{
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new GridLayoutExample();
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}
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}

Diff for: ‎MenuExample.java

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import javax.swing.*;
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public class MenuExample
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{
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JFrame frame;
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JMenuBar mb;
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JMenu file, edit, saving;
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JMenuItem open, close, save, saveAs, cut, copy, paste;
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MenuExample()
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{
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frame = new JFrame("Menu");
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// menu bar
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mb = new JMenuBar();
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// menus
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file = new JMenu("File");
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edit = new JMenu("Edit");
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saving = new JMenu("Save");
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// menu items
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open = new JMenuItem("Open");
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close = new JMenuItem("Close");
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file.add(open);
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file.add(close);
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cut = new JMenuItem("Cut");
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copy = new JMenuItem("Copy");
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paste = new JMenuItem("Paste");
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edit.add(copy);
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edit.add(paste);
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edit.add(cut);
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save = new JMenuItem("Save");
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saveAs = new JMenuItem("Save As");
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saving.add(save);
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saving.add(saveAs);
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file.add(saving);
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// adding componentes to menu bar
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mb.add(file);
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mb.add(edit);
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// adding components to frame
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frame.setJMenuBar(mb);
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frame.setSize(400, 400);
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frame.setVisible(true);
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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}
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public static void main(String[] args)
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{
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new MenuExample();
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}
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}

Diff for: ‎MouseListenerExample.java

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import java.awt.event.*;
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import javax.swing.*;
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public class MouseListenerExample implements MouseListener
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// extends MouseAdapter
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{
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JFrame frame;
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JPanel panel;
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JLabel label;
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public void mouseClicked(MouseEvent e)
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{
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label.setText("Mouse Clicked!");
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}
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public void mousePressed(MouseEvent e)
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{
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label.setText("Mouse Pressed!");
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}
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public void mouseReleased(MouseEvent e)
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{
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label.setText("Mouse Released!");
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}
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public void mouseEntered(MouseEvent e)
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{
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label.setText("Mouse Entered!");
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}
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public void mouseExited(MouseEvent e)
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{
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label.setText("Mouse Exited!");
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}
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MouseListenerExample()
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{
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frame = new JFrame("MouseListenerExample");
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panel = new JPanel();
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panel.setLayout(null);
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label = new JLabel();
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label.setBounds(200,200,200,50);
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panel.add(label);
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panel.addMouseListener(this);
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frame.add(panel);
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frame.setSize(400, 400);
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frame.setVisible(true);
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frame.setResizable(false);
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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}
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public static void main(String[] args)
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{
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new MouseListenerExample();
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}
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}

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