Ram Gopal Gupta

import java.awt.*;
import java.awt.event.*;
public class Frame8 extends Frame{
Checkbox cb1,cb2;
Frame8(){
setLayout(new FlowLayout());
cb1=new Checkbox(“AB”);
cb2=new Checkbox(“DE”);
add(cb1);
add(cb2);
setSize(300,300);
setVisible(true);
}
public static void main(String ar[]){
Frame8 f2=new Frame8();
}
}
//——————————————————————
import java.awt.*;
import java.awt.event.*;
public class Frame9 extends Frame{
Checkbox cb1,cb2;
CheckboxGroup cbg;
Frame9(){
cbg=new CheckboxGroup();
setLayout(new FlowLayout());
cb1=new Checkbox(“AB”,cbg,true);
cb2=new Checkbox(“DE”,cbg,false);
add(cb1);
add(cb2);
setSize(300,300);
setVisible(true);
}
public static void main(String ar[]){
Frame9 f2=new Frame9();
}
}
//——————————————————————–
import java.awt.*;
import java.awt.event.*;
public class Frame10 extends Frame{
Checkbox cb1,cb2,cb3;
CheckboxGroup cbg;
Frame10(){
cbg=new CheckboxGroup();
setLayout(new FlowLayout());
cb1=new Checkbox(“PG”,cbg,true);
cb2=new Checkbox(“G”,cbg,true);
cb3=new Checkbox(“UG”,cbg,true);
add(cb1);
add(cb2);
add(cb3);
setSize(300,300);
setVisible(true);
}
public static void main(String ar[]){
Frame10 f2=new Frame10();
}
}
//————————————————————————-
import java.awt.*;
import java.awt.event.*;
public class Frame11 extends Frame{
Choice ch1;
Frame11(){
setLayout(new FlowLayout());
ch1=new Choice();
ch1.add(“—-“);
ch1.add(“A”);
ch1.add(“B”);
ch1.add(“C”);
add(ch1);
setSize(300,300);
setVisible(true);
}
public static void main(String ar[]){
Frame11 f2=new Frame11();
}
}
//———————————————————————-
import java.awt.*;
import java.awt.event.*;
public class Frame12 extends Frame{
List list1;
Frame12(){
setLayout(new FlowLayout());
list1=new List(3);
list1.add(“AAAA”);
list1.add(“AAAA”);
list1.add(“AAAA”);
list1.add(“AAAA”);
list1.add(“AAAA”);
list1.add(“AAAA”);
list1.add(“AAAA”);
list1.add(“AAAA”);
list1.add(“AAAA”);
list1.add(“AAAA”);
add(list1);
setSize(300,300);
setLocation(100,100);
setVisible(true);
}
public static void main(String ar[]){
Frame12 f2=new Frame12();
}
}
//————————————————————————–
import java.awt.*;
import java.awt.event.*;
public class Frame13 extends Frame implements AdjustmentListener{
Scrollbar sb1;
Frame13(){
setLayout(null);
sb1=new Scrollbar(Scrollbar.HORIZONTAL,1,5,0,100);
sb1.setBounds(50,50,200,30);
add(sb1);
sb1.addAdjustmentListener(this);
setSize(300,300);
setLocation(100,100);
setVisible(true);
}
public void adjustmentValueChanged(AdjustmentEvent e){
System.out.println(sb1.getValue());
}
public static void main(String ar[]){
Frame13 f2=new Frame13();
}
}
//——————————————————————————
import java.awt.*;
import java.awt.event.*;
public class Frame14 extends Frame{
MenuBar mb;
Menu M1,sm1;
MenuItem mi1,mi2,mi3,mi4,mi5;
Frame14(){
mb=new MenuBar();
M1=new Menu(“MENU1”);
sm1=new Menu(“SUBMENU1”);
mi1=new MenuItem(“Item1”);
mi2=new MenuItem(“Item2”);
mi3=new MenuItem(“Item3”);
mi4=new MenuItem(“Item4”);
mi5=new MenuItem(“Item5”);
M1.add(mi1);
M1.add(mi2);
M1.add(mi3);
sm1.add(mi4);
sm1.add(mi5);
M1.add(sm1);
mb.add(M1);
setMenuBar(mb);
setSize(300,300);
setLocation(100,100);
setVisible(true);
}

public static void main(String ar[]){
Frame14 f2=new Frame14();
}
}
//——————————————————————————-
import java.awt.*;
import java.awt.event.*;
public class Frame15 extends Frame implements ActionListener{
MenuBar mb;
Menu M1,sm1;
MenuItem mi1,mi2,mi3,mi4,mi5;
Frame15(){
mb=new MenuBar();
M1=new Menu(“MENU1”);
sm1=new Menu(“SUBMENU1”);
mi1=new MenuItem(“Item1”);
mi2=new MenuItem(“Item2”);
mi3=new MenuItem(“Item3”);
mi4=new MenuItem(“Item4”);
mi5=new MenuItem(“Item5”);
mi1.addActionListener(this);
M1.add(mi1);
M1.add(mi2);
M1.add(mi3);
sm1.add(mi4);
sm1.add(mi5);
M1.add(sm1);
mb.add(M1);
setMenuBar(mb);
setSize(300,300);
setLocation(100,100);
setVisible(true);
}
public void actionPerformed(ActionEvent e){
Frame14 f=new Frame14();
}
public static void main(String ar[]){
Frame15 f2=new Frame15();
}
}

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();
}
}
//————————————————–

import java.applet.*;
/*
<applet code=”App.class” width=”200″ height=”200″>
</applet>
*/
public class App extends Applet{
public void start(){
System.out.println(“start()”);
}
public void init(){
System.out.println(“init()”);
}
public void stop(){
System.out.println(“stop()”);
}
public void paint(Graphics g){
System.out.println(“paint(Graphics)”);
}
public void destroy(){
System.out.println(“destroy()”);
}
}
//——————————————————————-
import java.applet.*;
import java.awt.*;
/*
<applet code=”App2.class” width=”200″ height=”200″>
</applet>
*/
public class App2 extends Applet{
public void start(){
System.out.println(“start()”);
}
public void init(){
System.out.println(“init()”);
}
public void stop(){
System.out.println(“stop()”);
}
public void paint(Graphics g){
System.out.println(“paint(Graphics)”);
}
public void destroy(){
//start();
System.out.println(“destroy()”);
}
}
//————————————————————————–
import java.applet.*;
import java.awt.*;

public class App3 extends Applet{

public void init(){
setBackground(Color.yellow);
setForeground(new Color(250,100,200));
}
public void paint(Graphics g){
g.drawString(“HELLO”,100,20);
g.setColor(Color.red);
g.setFont(new Font(“Comic sans ms”,Font.BOLD,40));
g.drawString(“HELLO”,100,50);
g.drawOval(20,20,100,100);//x,y,w,h
g.fillOval(30,40,10,10);
g.fillOval(60,40,10,10);
g.drawLine(60,80,90,80);
g.drawRect(60,120,90,50);
g.fillRect(60,150,40,40);
}
}
//———————————————————————

import java.applet.*;
import java.awt.*;
/*
<applet code=”App4.class” width=”500″ height=”500″>
</applet>

*/
public class App4 extends Applet{

public void init(){
setBackground(Color.yellow);
setForeground(new Color(250,100,200));
}
int i=1;
public void paint(Graphics g){
g.drawString(“HELLO”,100,20);
if(i%2==0)
g.setColor(Color.red);
else
g.setColor(Color.yellow);
g.setFont(new Font(“Comic sans ms”,Font.BOLD,40));
g.drawString(“HELLO”,100,50);
g.drawOval(20,20,100,100);//x,y,w,h
g.fillOval(30,40,10,10);
g.fillOval(60,40,10,10);
g.drawLine(60,80,90,80);
g.drawRect(60,120,90,50);
g.fillRect(60,150,40,40);
try{
Thread.sleep(200);
}catch(InterruptedException e){
}
i++;
repaint();
}
}
//——————————————————————
import java.applet.*;
import java.awt.*;
/*
<applet code=”App5.class” width=”500″ height=”500″></applet>
*/
public class App5 extends Applet{

public void init(){
setBackground(Color.yellow);
setForeground(new Color(250,100,200));
}
int x=20,t=1;
int f;
public void paint(Graphics g){
g.setColor(Color.red);
g.fillOval(x,20,50,50);
try{
Thread.sleep(10);
}catch(InterruptedException e){
}
if(x==450)
t=-1*t;
x=x+t;
if(x==20)
t=-1*t;
/*if(x==450){
f=1;
}
if(f==0)
x++;
else
x–;*/
repaint();
}
}
//——————————————————————
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
/*
<applet code=”App6.class” width=”500″ height=”200″></applet>
*/
public class App6 extends Applet implements MouseListener{

public void init(){
setBackground(Color.yellow);
addMouseListener(this);
}
public void mouseClicked(MouseEvent e){
System.out.println(“mouseClicked”);
}
public void mousePressed(MouseEvent e){
System.out.println(“mousePressed”);
}
public void mouseReleased(MouseEvent e){
System.out.println(“mouseReleased”);
}
public void mouseEntered(MouseEvent e){
System.out.println(“mouseEntered”);
}
public void mouseExited(MouseEvent e){
System.out.println(“mouseExited”);
}
}
//———————————————————————–
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
/*
<applet code=”App7.class” width=”500″ height=”200″></applet>
*/
public class App7 extends Applet implements MouseListener{

public void init(){
setBackground(Color.yellow);
addMouseListener(this);
}
public void mouseClicked(MouseEvent e){
System.out.println(“mouseClicked”);
}
public void mousePressed(MouseEvent e){
System.out.println(“mousePressed”);
//showStatus(“Pressed”);
showStatus(e.getX()+” , “+e.getY());
}
public void mouseReleased(MouseEvent e){
System.out.println(“mouseReleased”);
}
public void mouseEntered(MouseEvent e){
System.out.println(“mouseEntered”);
}
public void mouseExited(MouseEvent e){
System.out.println(“mouseExited”);
}
}
//——————————————————————
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
/*
<applet code=”App8.class” width=”500″ height=”200″></applet>
*/
public class App8 extends Applet implements MouseListener,MouseMotionListener{

public void init(){
setBackground(Color.yellow);
addMouseListener(this);
addMouseMotionListener(this);
}
public void mouseClicked(MouseEvent e){
System.out.println(“mouseClicked”);
}
public void mouseDragged(MouseEvent e){
System.out.println(“mouseDragged”);
}
public void mouseMoved(MouseEvent e){
System.out.println(“mouseMoved”);
showStatus(e.getX()+” , “+e.getY());
}

public void mousePressed(MouseEvent e){
System.out.println(“mousePressed”);
//showStatus(“Pressed”);
}
public void mouseReleased(MouseEvent e){
System.out.println(“mouseReleased”);
}
public void mouseEntered(MouseEvent e){
System.out.println(“mouseEntered”);
}
public void mouseExited(MouseEvent e){
System.out.println(“mouseExited”);
}
}
//———————————————————————
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
/*
<applet code=”App9.class” width=”500″ height=”200″></applet>
*/
public class App9 extends Applet implements MouseListener,MouseMotionListener{
int x=0,y=0;
public void paint(Graphics g){
g.fillOval(x,y,50,50);
}
public void init(){
setBackground(Color.yellow);
addMouseListener(this);
addMouseMotionListener(this);
}
public void mouseClicked(MouseEvent e){
System.out.println(“mouseClicked”);
x=e.getX();
y=e.getY();
repaint();
}
public void mouseDragged(MouseEvent e){
System.out.println(“mouseDragged”);
}
public void mouseMoved(MouseEvent e){

}

public void mousePressed(MouseEvent e){
System.out.println(“mousePressed”);
//showStatus(“Pressed”);
}
public void mouseReleased(MouseEvent e){
System.out.println(“mouseReleased”);
}
public void mouseEntered(MouseEvent e){
System.out.println(“mouseEntered”);
}
public void mouseExited(MouseEvent e){
System.out.println(“mouseExited”);
}
}

import java.io.*;
class FileTest{
public static void main(String ar[])throws IOException{
FileInputStream fis=new FileInputStream(“ab.txt”);
int i=fis.read();
while(i!=-1){
System.out.print((char)i);
i=fis.read();
}
}
}

//————————————————————–
import java.io.*;
class FileTest2{
public static void main(String ar[])throws IOException{
Console c=System.console();
String fname=c.readLine(“Enter File Name: “);
FileInputStream fis=new FileInputStream(fname);
int i=fis.read();
while(i!=-1){
System.out.print((char)i);
i=fis.read();
}
}
}
//—————————————————————-
import java.io.*;
class FileTest3{
public static void main(String ar[])throws IOException{
Console c=System.console();
String fname=c.readLine(“Enter File Name: “);
int j=fname.lastIndexOf(‘.’);
String s=fname.substring(j);
if(s.equalsIgnoreCase(“.c”)||s.equalsIgnoreCase(“.cpp”)||s.equalsIgnoreCase(“.java”)){
int o=0,k=0;
FileInputStream fis=new FileInputStream(fname);
int i=fis.read();
while(i!=-1){
if((char)i=='{‘)
o++;
if((char)i==’}’)
k++;
i=fis.read();
}
System.out.print(“{=”+o+” }=”+k);
}
else{
System.out.print(“Given File is not C/Cpp/java file”);
}
}
}
//——————————————————————
import java.io.*;
class FileTest3{
public static void main(String ar[])throws IOException{
Console c=System.console();
String fname=c.readLine(“Enter File Name: “);
int j=fname.lastIndexOf(‘.’);
String s=fname.substring(j);
if(s.equalsIgnoreCase(“.c”)||s.equalsIgnoreCase(“.cpp”)||s.equalsIgnoreCase(“.java”)){
int o=0,k=0;
FileInputStream fis=new FileInputStream(fname);
int i=fis.read();
while(i!=-1){
if((char)i=='{‘)
o++;
if((char)i==’}’)
k++;
i=fis.read();
}
System.out.print(“{=”+o+” }=”+k);
}
else{
System.out.print(“Given File is not C/Cpp/java file”);
}
}
}
//———————————————————————–
import java.io.*;
class FileTest5{
public static void main(String ar[])throws IOException{
Console c=System.console();
String fname=c.readLine(“Enter File Name: “);
FileInputStream fis=new FileInputStream(fname);
int i=fis.read();
while(i!=-1){
char ch=(char)i;
String st=ch+””;
st=st.toUpperCase();
System.out.print(st);
i=fis.read();
}
}
}
//—————————————————————–
import java.io.*;
class FileTest6{
public static void main(String ar[])throws IOException{
Console c=System.console();
String fname=c.readLine(“Enter From File Name: “);
String tname=c.readLine(“Enter To File Name: “);
FileInputStream fis=new FileInputStream(fname);
FileOutputStream fos=new FileOutputStream(tname);
int i=fis.read();
while(i!=-1){
fos.write(i);
i=fis.read();
}
}
}
//———————————————————————–