test.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author g1.test1
 */
class abc{
 int l,b;
 abc(int x,int b)
 {
 l=x;
 this.b=b;
 }
 abc(int x)
 {
 l=b=x;
 }
 int disp()
 {
 return(l*b);
 }
}
public class test {
 public static void main(String args[])
 {
 abc obj=new abc(10,20);
 System.out.println(+obj.disp());
 abc obj1=new abc(10);
 System.out.println(+obj1.disp());
 }

}