import java.awt.*;
import javax.swing.*;
import javax.swing.JFrame;
import java.awt.event.*;
import javax.swing.event.*;
public class Lab2 extends JFrame implements ActionListener
{
JLabel l1,l2,l3,l;
JTextField t1,t2;
JTextArea ta,ta1;
JButton b;
Lab2()
{
super("Student Form");
l=new JLabel("Student Details");
l1=new JLabel("Enter Number:");
l2=new JLabel("Enter Total Marks:");
l3=new JLabel("Enter Address:");
t1=new JTextField(20);
t2=new JTextField(20);
ta=new JTextArea("",20,20);
ta1=new JTextArea("",20,20);
b=new JButton("Result");
setSize(410,450);
setResizable(false);
setLayout(null);
add(l).setBounds(80,1,150,50);
add(l1).setBounds(10,60,150,20);
add(t1).setBounds(150,60,200,20);
add(l2).setBounds(10,90,150,20);
add(t2).setBounds(150,90,200,20);
add(l3).setBounds(10,110,150,20);
add(ta1).setBounds(150,130,200,100);
add(b).setBounds(150,250,120,20);
add(ta).setBounds(150,300,200,100);
b.addActionListener(this);
addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
});
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==b)
if ( Integer.parseInt(t2.getText()) <100 )
ta.insert("Below Average",0);
else if( Integer.parseInt(t2.getText()) >=100 && Integer.parseInt(t2.getText()) <=300)
ta.insert("Average",0);
else if( Integer.parseInt(t2.getText()) >=500 && Integer.parseInt(t2.getText()) <=1000)
ta.insert("Good",0);
}
public static void main(String str[])
{
Lab2 l=new Lab2();
l.setVisible(true);
}
}
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