Nov
14
import java.awt.*;
public class Frame1 extends Frame{
Button b1,b2;
Frame1(){
b1=new Button(“Submit1”);
b2=new Button(“Submit2”);
add(b1,BorderLayout.NORTH);
add(b2,BorderLayout.SOUTH);
setSize(200,200);
setVisible(true);
}
public static void main(String ar[]){
Frame1 f1=new Frame1();
}
}
//———————————————————————-
import java.awt.*;
public class Frame2 extends Frame{
Button b1,b2;
Frame2(){
setLayout(new FlowLayout());
b1=new Button(“Submit1”);
b2=new Button(“Submit2”);
add(b1);
add(b2);
setSize(200,200);
setVisible(true);
}
public static void main(String ar[]){
Frame2 f2=new Frame2();
}
}
//——————————————————————
import java.awt.*;
import java.awt.event.*;
public class Frame3 extends Frame implements ActionListener{
Button b1,b2;
Frame3(){
setLayout(null);
b1=new Button(“RED”);
b2=new Button(“YELLOW”);
b1.setBounds(30,30,150,50);
b2.setBounds(30,90,150,50);
b1.addActionListener(this);
b2.addActionListener(this);
add(b1);
add(b2);
setSize(200,200);
setVisible(true);
}
public void actionPerformed(ActionEvent e){
if(e.getSource()==b1)
setBackground(Color.red);
if(e.getSource()==b2)
setBackground(Color.yellow);
}
public static void main(String ar[]){
Frame3 f2=new Frame3();
}
}
//———————————————————————–
import java.awt.*;
import java.awt.event.*;
public class Frame4 extends Frame implements ActionListener{
Button b1,b2;
Frame4(){
setLayout(null);
b1=new Button(“RED”);
b2=new Button(“YELLOW”);
b1.setBounds(30,30,150,50);
b2.setBounds(30,90,150,50);
b1.addActionListener(new aa());
b2.addActionListener(this);
add(b1);
add(b2);
setSize(200,200);
setVisible(true);
}
public void actionPerformed(ActionEvent e){
if(e.getSource()==b1)
setBackground(Color.red);
if(e.getSource()==b2)
setBackground(Color.yellow);
}
public static void main(String ar[]){
Frame4 f2=new Frame4();
}
}
class aa implements ActionListener{
public void actionPerformed(ActionEvent e){
System.out.println(“from aa”);
setBackground(Color.red);
}
}
//——————————————————————–
import java.awt.*;
import java.awt.event.*;
public class Frame5 extends Frame implements ActionListener{
Button b1,b2;
Frame5(){
setLayout(null);
b1=new Button(“RED”);
b2=new Button(“YELLOW”);
b1.setBounds(30,30,150,50);
b2.setBounds(30,90,150,50);
b1.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
setBackground(Color.red);
}
});
b2.addActionListener(this);
add(b1);
add(b2);
setSize(200,200);
setVisible(true);
}
public void actionPerformed(ActionEvent e){
setBackground(Color.yellow);
}
public static void main(String ar[]){
Frame5 f2=new Frame5();
}
}
//—————————————————————–
import java.awt.*;
import java.awt.event.*;
public class Frame6 extends Frame implements WindowListener{
Frame6(){
addWindowListener(this);
setSize(200,200);
setVisible(true);
}
public void windowActivated(WindowEvent e){
System.out.println(“windowActivated”);
}
public void windowDeactivated(WindowEvent e){
System.out.println(“windowDeactivated”);
}
public void windowClosed(WindowEvent e){
System.out.println(“windowClosed”);
}
public void windowClosing(WindowEvent e){
System.out.println(“windowClosing”);
System.exit(0);
}
public void windowOpened(WindowEvent e){
System.out.println(“windowOpened”);
}
public void windowIconified(WindowEvent e){
System.out.println(“windowIconified”);
}
public void windowDeiconified(WindowEvent e){
System.out.println(“windowDeiconified”);
}
public static void main(String ar[]){
Frame6 f2=new Frame6();
}
}
//———————————————————-
import java.awt.*;
import java.awt.event.*;
public class Frame7 extends Frame implements WindowListener,ActionListener{
TextField tf1;
Label l1;
Frame7(){
tf1=new TextField();
l1=new Label();
setLayout(null);
addWindowListener(this);
tf1.setBounds(20,50,100,20);
l1.setBounds(20,100,100,20);
tf1.addActionListener(this);
add(tf1);
add(l1);
setSize(200,200);
setVisible(true);
}
public void actionPerformed(ActionEvent e){
String s=tf1.getText();
l1.setText(s);
}
public void windowActivated(WindowEvent e){
System.out.println(“windowActivated”);
}
public void windowDeactivated(WindowEvent e){
System.out.println(“windowDeactivated”);
}
public void windowClosed(WindowEvent e){
System.out.println(“windowClosed”);
}
public void windowClosing(WindowEvent e){
System.out.println(“windowClosing”);
System.exit(0);
}
public void windowOpened(WindowEvent e){
System.out.println(“windowOpened”);
}
public void windowIconified(WindowEvent e){
System.out.println(“windowIconified”);
}
public void windowDeiconified(WindowEvent e){
System.out.println(“windowDeiconified”);
}
public static void main(String ar[]){
Frame7 f2=new Frame7();
}
}
//————————————————–