Fifth Week Term Work Program 4

Question

Program:

import java.awt.*;

import java.awt.event.*;

public class Registrationform {

public static void main(String[] args) {

Frame f = new RegistrationFrame("Registration Form");

f.setSize(260, 200);

f.setVisible(true);

}

}

//Frame class

class RegistrationFrame extends Frame {

public RegistrationFrame(String title) {

super(title);

setLayout(null);

setBackground(Color.white);

Label l1=new Label("Enter your name:");

l1.setBounds(10, 40, 120, 50);

Label l2=new Label("Enter your Mobile no:");

l2.setBounds(10, 70, 120, 50);

add(l1);

add(l2);

TextField t1=new TextField();

t1.setEditable(true);

t1.setBounds(130, 55, 100, 20);

TextField t2=new TextField();

t2.setBounds(130, 85, 100, 20);

t2.setEditable(true);

add(t1);

add(t2);

//Add  button to frame 

Button b = new Button("Submit");

b.setBounds(30, 150, 100, 30);

add(b);

Button b1 = new Button("Clear");

b1.setBounds(140, 150, 100, 30);

add(b1);

//Attach window listener

addWindowListener(new WindowCloser());

}

//Listener for window

class WindowCloser extends WindowAdapter {

public void windowClosing(WindowEvent evt) {

System.exit(0);

}

}

}

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Fifth Week Term Work Program 3

Question

Program:

//Displays a frame containing a three CheckBox. Tick the

//CheckBox causes the background of the frame to change from

//white to define color.

import java.awt.*;

import java.awt.event.*;

import javafx.scene.control.CheckBox;

public class checkboxcolor {

public static void main(String[] args) {

Frame f = new ChangecheckboxColorFrame("Check Box");

f.setSize(220, 200);

f.setVisible(true);

}

}

//Frame class

class ChangecheckboxColorFrame extends Frame {

Checkbox checkBox1 = new Checkbox("Red",false);

Checkbox checkBox2 = new Checkbox("Green",false);    

Checkbox checkBox3 = new Checkbox("Blue",false);    

public ChangecheckboxColorFrame(String title) {

super(title);

setLayout(null);

setBackground(Color.white);

//Add  Checkbox to frame and attach listener

checkBox1.setBounds(10,150, 80,50);    

checkBox2.setBounds(90,150, 80,50);  

checkBox3.setBounds(170,150, 80,50);    

add(checkBox1);

checkBox1.addItemListener(new ColorItemListener());

add(checkBox2);    

checkBox2.addItemListener(new ColorItemListener());

add(checkBox3); 

checkBox3.addItemListener(new ColorItemListener());//Attach //window listener

addWindowListener(new WindowCloser());

}

//Listener for checkbox

class ColorItemListener implements ItemListener{

public void itemStateChanged(ItemEvent e) {

boolean a1=checkBox1.getState();

boolean a2=checkBox2.getState();

boolean a3=checkBox3.getState();

if(a1==true && a2==true && a3==true) {

setBackground(Color.WHITE);

}

else if(a1==true) {

if(a2==true) {

setBackground(Color.YELLOW);

}

else if(a3==true) {

setBackground(Color.MAGENTA);

}

else {

setBackground(Color.RED);

}

}

else if(a2==true) {

if(a3==true) {

setBackground(Color.CYAN);

}

else{

setBackground(Color.GREEN);

}

}

else if(a3==true) {

setBackground(Color.BLUE);

}

else {

setBackground(Color.BLACK);

}

}

}

//Listener for window

class WindowCloser extends WindowAdapter {

public void windowClosing(WindowEvent evt) {

System.exit(0);

}

}

}

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Fifth Week Term Work Program 2

Question

Program:

//Displays a frame containing a three button. Pressing the

//button causes the background of the frame to change from

//white to define color.

import java.awt.*;

import java.awt.event.*;

import java.awt.Button;

public class threecolor {

public static void main(String[] args) {

Frame f = new ChangethreeColorFrame("Colors");

f.setSize(210, 200);

f.setVisible(true);

}

}

//Frame class

class ChangethreeColorFrame extends Frame {

public ChangethreeColorFrame(String title) {

super(title);

setLayout(null);

setBackground(Color.white);

//Add  button to frame and attach listener

Button b1 = new Button("Red");

b1.setBounds(20, 150, 50, 30);

add(b1);

b1.addActionListener(new ButtonListener());

Button b2 = new Button("Blue");

b2.setBounds(80, 150, 50, 30);

add(b2);

b2.addActionListener(new ButtonListener());

Button b3 = new Button("Green");

b3.setBounds(140, 150, 50, 30);

add(b3);

b3.addActionListener(new ButtonListener());

//Attach window listener

addWindowListener(new WindowCloser());

}

//Listener for button

class ButtonListener implements ActionListener {

public void actionPerformed(ActionEvent evt) {

  if (evt.getActionCommand().equals("Red"))

    setBackground(Color.RED);

  else if (evt.getActionCommand().equals("Blue"))

    setBackground(Color.BLUE);

  else if (evt.getActionCommand().equals("Green"))

    setBackground(Color.GREEN);

else

  setBackground(Color.white);

}

}

//Listener for window

class WindowCloser extends WindowAdapter {

public void windowClosing(WindowEvent evt) {

System.exit(0);

}

}

}

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Fifth Week Term Work Program 1

Question 

Program:
//Displays a frame containing a single button. Pressing the
//button causes the background of the frame to change Color Randomly 

import java.util.Random;

 import java.awt.*;

import java.awt.event.*;

//Driver class
public class ChangingColor {
public static void main(String[] args) {
Frame f = new ChangeColorFrame("Random Colors");
f.setSize(160, 100);
f.setVisible(true);
}
}
//Frame class
class ChangeColorFrame extends Frame {
public ChangeColorFrame(String title) {
// Set title, layout, and background color
super(title);
setLayout(null);
setBackground(Color.white);
// Add "Change color" button to frame and attach listener
Button b = new Button("Random");
b.setBounds(60, 60, 60, 30);;
add(b);
b.addActionListener(new ButtonListener());
// Attach window listener
addWindowListener(new WindowCloser());
}
//Listener for button
class ButtonListener implements ActionListener {
Random rand=new Random();
public void actionPerformed(ActionEvent evt) {
int i=rand.nextInt(256);
int j=rand.nextInt(256);
int k=rand.nextInt(256);
Color c = new Color(i, j, k);
setBackground(c);
}
}
//Listener for window
class WindowCloser extends WindowAdapter {
public void windowClosing(WindowEvent evt) {
System.exit(0);
}
}
}

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