verify and tell me what runtime error in this pgm
import java.awt.*;
import java.applet.*;
import java.awt.event. *;
import java.sql.*;
public class screen extends Applet implements ActionListener
{
TextField t1,t2,t3;
Label l1,l2,l3;
Button b1;
public void init()
{
t1=new TextField();
t2=new TextField();
t3=new TextField();
l1=new Label("Enter A:");
l2=new Label("Enter B:");
l3=new Label("Result is:");
b1=new Button("ok");
add(l1);
add(t1);
add(l2);
add(t2);
add(l3);
add(t3);
add(b1);
b1.addActionLis tener(this);
}
public void actionPerformed (ActionEvent ae)
{
if(ae.getSource ()==b1)
{
String a1=t1.getText() ;
String a2=t2.getText() ;
System.out.prin tln(a1);
System.out.prin tln(a2);
int c=Integer.parse Int(a1)+Integer .parseInt(a2);
String c1=String.value Of(c);
t3.setText(c1);
System.out.prin tln(c);
try
{
Class.forName(" sun.jdbc.odbc.J dbcOdbcDriver") ;
Connection conn=DriverMana ger.getConnecti on("jdbc:odbc:b b");
Statement stmt=conn.creat eStatement();
stmt.executeUpd ate("Insert into screen values('"+a1+"' ,'"+a2+"')");
System.out.prin tln("Records are added");
conn.close();
stmt.close();
}
catch(Exception e)
{
System.out.prin tln(e);
}
}
}
}
//<applet code="screen" width="400" height="300"></applet>
import java.awt.*;
import java.applet.*;
import java.awt.event. *;
import java.sql.*;
public class screen extends Applet implements ActionListener
{
TextField t1,t2,t3;
Label l1,l2,l3;
Button b1;
public void init()
{
t1=new TextField();
t2=new TextField();
t3=new TextField();
l1=new Label("Enter A:");
l2=new Label("Enter B:");
l3=new Label("Result is:");
b1=new Button("ok");
add(l1);
add(t1);
add(l2);
add(t2);
add(l3);
add(t3);
add(b1);
b1.addActionLis tener(this);
}
public void actionPerformed (ActionEvent ae)
{
if(ae.getSource ()==b1)
{
String a1=t1.getText() ;
String a2=t2.getText() ;
System.out.prin tln(a1);
System.out.prin tln(a2);
int c=Integer.parse Int(a1)+Integer .parseInt(a2);
String c1=String.value Of(c);
t3.setText(c1);
System.out.prin tln(c);
try
{
Class.forName(" sun.jdbc.odbc.J dbcOdbcDriver") ;
Connection conn=DriverMana ger.getConnecti on("jdbc:odbc:b b");
Statement stmt=conn.creat eStatement();
stmt.executeUpd ate("Insert into screen values('"+a1+"' ,'"+a2+"')");
System.out.prin tln("Records are added");
conn.close();
stmt.close();
}
catch(Exception e)
{
System.out.prin tln(e);
}
}
}
}
//<applet code="screen" width="400" height="300"></applet>
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