Look Who it Was Random video

Perform Action Event On Button In Hindi #6

1,190 views · Published 31 October 2017 · 19:10 · Indexed 8 November 2026

Channel: AndroJavaTech4U · 2017 · Science & Technology

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Here we learn the  How to Performed Action Event On Button using same class Listener In Hindi By Surya Sir

Download  my you tube channel  Android application from here-
https://www.dropbox.com/s/stoehcarylm...

How to Create An U IUser Interface Using AWT In Java #1 URL
https://www.youtube.com/watch?v=n9NF1...

Event Handling Basic Url-

https://www.youtube.com/watch?v=DCurno8f-LA

path seting-
https://www.youtube.com/watch?v=k2gCo...

java doc-
https://www.youtube.com/watch?v=NLfXd...

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Program:-
import java.awt.*;
import java.awt.event.*;

class GuiApp extends Frame  implements ActionListener
{
//Frame f;
Label l,l1,l2;
TextField tf,tf1,tf2;
Button b,b1;
GuiApp(String title)
{
super(title);
 //f=new Frame("GuiApp");
this.setVisible(true);
 setSize(260,200);
  setResizable(false);
  setBackground(Color.yellow);
  setLocation(400,100);
System.out.println(this.getLocation());
l=new Label("Eneter First No");
l1=new Label("Eneter Second No");
l2=new Label("Result:-");
tf=new TextField(10);
tf1=new TextField(10);
tf2=new TextField(10);
b=new Button("Add");
b1=new Button("Sub");
b1.setForeground(Color.red); 
b.setForeground(Color.red); 

b.addActionListener(this); 
b1.addActionListener(this); 


 FlowLayout fl=new FlowLayout();

//FlowLayout fl=new FlowLayout(FlowLayout.RIGHT);
//FlowLayout fl=new FlowLayout(20,20,FlowLayout.RIGHT);
//GridLayout fl=new GridLayout(3,3);
//BorderLayout fl=new BorderLayout();
tf.setBackground(Color.pink);
tf1.setBackground(Color.pink);
tf2.setBackground(Color.pink);


this.setLayout(fl);

/*
l.setBackground(Color.pink);
l.setBounds(100,100,90,30);
tf.setBackground(Color.green);
tf.setBounds(200,100,90,30);

l1.setBackground(Color.pink);
l1.setBounds(100,150,120,30);
tf1.setBackground(Color.green);
tf1.setBounds(220,150,90,30);


l2.setBackground(Color.red);

*/
/*
Panel p=new Panel();
p.add(l);
p.add(tf);
p.setBackground(Color.pink);
f.add(p,BorderLayout.EAST);

Panel p1=new Panel();
p1.add(l1);
p1.add(tf1);
p1.setBackground(Color.orange);
f.add(p1,BorderLayout.WEST);

Panel p2=new Panel();
p2.add(l2);
p2.add(tf2);
p2.setBackground(Color.green);
f.add(p2,BorderLayout.NORTH);

Panel p3=new Panel();
p3.add(b);
p3.add(b1);
p3.setBackground(Color.orange);
f.add(p3,BorderLayout.SOUTH);
*/

/*
f.add(l,BorderLayout.EAST);
f.add(tf,BorderLayout.WEST);
f.add(l1,BorderLayout.NORTH);
f.add(tf1,BorderLayout.SOUTH);
f.add(l2,BorderLayout.CENTER);
f.add(tf2);
f.add(b);
f.add(b1);
 */

Panel p1=new Panel();
p1.add(l);
p1.add(tf);
p1.setBackground(Color.green);
 this.add(p1);

Panel p2=new Panel();
p2.add(l1);
p2.add(tf1);
p2.setBackground(Color.green);
 this.add(p2);

Panel p3=new Panel();
p3.add(l2);
p3.add(tf2);
p3.add(b);
p3.add(b1);

p3.setBackground(Color.green);
 this.add(p3);

 }

public static void main(String ss[])
{
GuiApp g=new GuiApp("GuiApp");
}

public void actionPerformed(ActionEvent e)
{
String n1=tf.getText();
String n2=tf1.getText();
if(n1.equals("") || n2.equals(""))
{
javax.swing.JOptionPane.showMessageDialog(null,"Plz Fill All the 

Fielnds");
}
else
{
double d=Double.parseDouble(n1);
double d1=Double.parseDouble(n2);
double r=0.0;

// Object obj=e.getSource();
 String obj=e.getActionCommand();
//if(obj==b)
if(obj.equals("Add"))
{

r=d+d1;
//tf2.setText(String.valueOf(r));
  tf2.setText("Sum="+r);

//System.out.println(obj);//
//System.out.println("hello");
}
else
{ 
//System.out.println("hi");
  r=d-d1;
//tf2.setText(String.valueOf(r));
tf2.setText("Sub="+r);
}

}}

}

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