Notes

//ex 1
package Homework3;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class Exercise1 extends JFrame implements ActionListener {

JLabel lb1, lb2, lb3;
JButton b1, b2;
JRadioButton rb1, rb2, rb3, rb4;
JCheckBox chb1, chb2, chb3, chb4, chb5, chb6;
JTextArea ta;
JComboBox<String> combo1;
String[] list = { "1", "2", "3", "4" };
ButtonGroup bg;

public Exercise1() {

b2 = new JButton("Clear");
b2.setBounds(250, 220, 100, 30);
b2.addActionListener(this);

b1 = new JButton("Show");
b1.setBounds(130, 220, 100, 30);
b1.addActionListener(this);

ta = new JTextArea();
ta.setBounds(30, 260, 430, 90);

chb6 = new JCheckBox("Circuit");
chb6.setBounds(260, 180, 100, 30);
chb6.addActionListener(this);

chb5 = new JCheckBox("C++");
chb5.setBounds(260, 150, 100, 30);
chb5.addActionListener(this);

chb4 = new JCheckBox("Security");
chb4.setBounds(260, 120, 100, 30);
chb4.addActionListener(this);

chb3 = new JCheckBox("Web design");
chb3.setBounds(130, 180, 100, 30);
chb3.addActionListener(this);

chb2 = new JCheckBox("Network");
chb2.setBounds(130, 150, 100, 30);
chb2.addActionListener(this);

chb1 = new JCheckBox("Java");
chb1.setBounds(130, 120, 100, 30);
chb1.addActionListener(this);

rb4 = new JRadioButton("EE");
rb4.setBounds(280, 70, 50, 50);
rb4.addActionListener(this);

rb3 = new JRadioButton("IC");
rb3.setBounds(230, 70, 50, 50);
rb3.addActionListener(this);

rb2 = new JRadioButton("CS");
rb2.setBounds(180, 70, 50, 50);
rb2.addActionListener(this);

rb1 = new JRadioButton("MM");
rb1.setBounds(130, 70, 50, 50);
rb1.addActionListener(this);

combo1 = new JComboBox<>(list);
combo1.setBounds(150, 40, 200, 30);
combo1.addActionListener(this);

lb3 = new JLabel("Courses");
lb3.setBounds(40, 100, 70, 70);

lb2 = new JLabel("Department");
lb2.setBounds(40, 60, 70, 70);

lb1 = new JLabel("Grade");
lb1.setBounds(40, 20, 70, 70);

bg = new ButtonGroup();
bg.add(rb1);
bg.add(rb2);
bg.add(rb3);
bg.add(rb4);

this.add(b1);
this.add(b2);
this.add(lb1);
this.add(lb2);
this.add(lb3);
this.add(combo1);
this.add(rb1);
this.add(rb2);
this.add(rb3);
this.add(rb4);
this.add(chb1);
this.add(chb2);
this.add(chb3);
this.add(chb4);
this.add(chb5);
this.add(chb6);
this.add(ta);
this.setLayout(null);
this.setVisible(true);
this.setSize(500, 400);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}

@Override
public void actionPerformed(ActionEvent e) {

if (e.getSource() == b1) {

if (combo1.getSelectedIndex() == 0) {
ta.setText("You are Freshman ");
}
else if (combo1.getSelectedIndex() == 1) {
ta.setText("You are Sophomore ");
}
else if (combo1.getSelectedIndex() == 2) {
ta.setText("You are Junior ");
}
else if (combo1.getSelectedIndex() == 3) {
ta.setText("You are Senior ");
}

if (rb1.isSelected()) {
ta.append(" in " + rb1.getText() + " department. n");
}
else if (rb2.isSelected()) {
ta.append(" in " + rb2.getText() + " department. n");
}
else if (rb3.isSelected()) {
ta.append(" in " + rb3.getText() + " department. n");
}
else if (rb4.isSelected()) {
ta.append(" in " +rb4.getText() + " department. n");
}


if (chb1.isSelected()) {
ta.append("You selected following course: " + chb1.getText() + " ");
}
if (chb2.isSelected()) {
ta.append(chb2.getText() + " ");
}
if (chb3.isSelected()) {
ta.append(chb3.getText() + " ");
}
if (chb4.isSelected()) {
ta.append(chb4.getText() + " ");
}
if (chb5.isSelected()) {
ta.append(chb5.getText() + " ");
}
if (chb6.isSelected()) {
ta.append(chb6.getText() + " ");
}

}
if (e.getSource() == b2) {
ta.setText("");
}

}

}

// ex 2
package Homework3;

import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
public class Exercise2 extends JFrame implements ActionListener{

JRadioButton rb1, rb2, rb3, rb4, rb5;
ImageIcon icon, icon1, icon2, icon3, icon4, icon5;
JLabel lb1, lb2, lb3, lb4, lb5;
ButtonGroup bg;

public Exercise2 () {

icon = new ImageIcon();
icon1 = new ImageIcon("image/Dog.gif");
icon2 = new ImageIcon("image/Pig.gif");
icon3 = new ImageIcon("image/Cat.gif");
icon4 = new ImageIcon("image/Bird.gif");
icon5 = new ImageIcon("image/Rabbit.gif");

lb1 = new JLabel();
lb1.setBounds(40,80,150,150);
lb1.setIcon(icon);

lb2 = new JLabel();
lb2.setBounds(190,80,150,150);
lb2.setIcon(icon);

lb3 = new JLabel();
lb3.setBounds(340,80,150,150);
lb3.setIcon(icon);

lb4 = new JLabel();
lb4.setBounds(490,80,150,150);
lb4.setIcon(icon);

lb5 = new JLabel();
lb5.setBounds(40,230,150,150);
lb5.setIcon(icon);

rb1 = new JRadioButton("Dog");
rb1.setBounds(30, 20, 70, 70);
rb1.addActionListener(this);

rb2 = new JRadioButton("Pig");
rb2.setBounds(100, 20, 70, 70);
rb2.addActionListener(this);

rb3 = new JRadioButton("Cat");
rb3.setBounds(170, 20, 70, 70);
rb3.addActionListener(this);

rb4 = new JRadioButton("Bird");
rb4.setBounds(240, 20, 70, 70);
rb4.addActionListener(this);

rb5 = new JRadioButton("Rabbit");
rb5.setBounds(310, 20, 70, 70);
rb5.addActionListener(this);


this.add(rb1);
this.add(rb2);
this.add(rb3);
this.add(rb4);
this.add(rb5);
this.add(lb1);
this.add(lb2);
this.add(lb3);
this.add(lb4);
this.add(lb5);
this.setLayout(null);
this.setSize(700,700);
this.setVisible(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

@Override
public void actionPerformed(ActionEvent e) {

if(e.getSource() == rb1) {
lb1.setIcon(icon1);
}
if(e.getSource() == rb2) {
lb2.setIcon(icon2);
}
if(e.getSource() == rb3) {
lb3.setIcon(icon3);
}
if(e.getSource() == rb4) {
lb4.setIcon(icon4);
}
if(e.getSource() == rb5) {
lb5.setIcon(icon5);
}

}
}
// ex3

package Homework3;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Exercise3 extends JFrame implements ActionListener {
private ImageIcon icon, icon1, icon2, icon3, icon4, icon5;
private JLabel lb1, lb2, lb3, lb4, lb5;
private JCheckBox chb1, chb2, chb3, chb4, chb5, chb6;
public Exercise3() {
icon1 = new ImageIcon("Image/Dog.gif");
icon2 = new ImageIcon("Image/Pig.gif");
icon3 = new ImageIcon("Image/Cat.gif");
icon4 = new ImageIcon("Image/Bird.gif");
icon5 = new ImageIcon("Image/Rabbit.gif");
icon = new ImageIcon();
lb1 = new JLabel();
lb1.setBounds(10, 10, 150, 150);
lb1.setIcon(icon);
chb1 = new JCheckBox("Dog");
chb1.setBounds(10, 160, 100, 30);
chb1.addActionListener(this);
lb2 = new JLabel();
lb2.setBounds(160, 10, 150, 150);
lb2.setIcon(icon);
chb2 = new JCheckBox("Pig");
chb2.setBounds(160, 160, 100, 30);
chb2.addActionListener(this);
lb3 = new JLabel();
lb3.setBounds(310, 10, 150, 150);
lb3.setIcon(icon);
chb3 = new JCheckBox("Cat");
chb3.setBounds(310, 160, 100, 30);
chb3.addActionListener(this);
lb4 = new JLabel();
lb4.setBounds(460, 10, 150, 150);
lb4.setIcon(icon);
chb4 = new JCheckBox("Bird");
chb4.setBounds(460, 160, 100, 30);
chb4.addActionListener(this);
lb5 = new JLabel();
lb5.setBounds(610, 10, 150, 150);
lb5.setIcon(icon);
chb5 = new JCheckBox("Rabbit");
chb5.setBounds(610, 160, 100, 30);
chb5.addActionListener(this);
this.add(lb1);
this.add(chb1);
this.add(lb2);
this.add(chb2);
this.add(lb3);
this.add(chb3);
this.add(lb4);
this.add(chb4);
this.add(lb5);
this.add(chb5);
this.setLayout(null);
this.setSize(800, 400);
this.setBackground(Color.red);
this.setVisible(true);
this.setResizable(false);
this.setTitle("Turshilt1");
this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
}
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == chb1) {
if (chb1.isSelected()) {
lb1.setIcon(icon1);
} else {
lb1.setIcon(icon);
}
}
if (e.getSource() == chb2) {
if (chb2.isSelected()) {
lb2.setIcon(icon2);
} else {
lb2.setIcon(icon);
}
}
if (e.getSource() == chb3) {
if (chb3.isSelected()) {
lb3.setIcon(icon3);
} else {
lb3.setIcon(icon);
}
}
if (e.getSource() == chb4) {
if (chb4.isSelected()) {
lb4.setIcon(icon4);
} else {
lb4.setIcon(icon);
}
}
if (e.getSource() == chb5) {
if (chb5.isSelected()) {
lb5.setIcon(icon5);
} else {
lb5.setIcon(icon);
}
}
}
}