class Demo
{
int a,b; // instance variablles
Demo(int c,int d)//this is the user defined parameterized constructor
{
a=c;
b=d;
}
}
class Test
{
public static void main(String args[])
{
Demo obj1=new Demo(10,20);
System.out.println(" the value of a is = "+obj1.a);
System.out.println(" the value of b is = "+obj1.b);
}
}