May 3rd, 2013 
Program
class Counter{
private int count;
int a;
public void increment() {
count++;
}
public void display() {
System.out.println(count);
}
}
class TestCounter{
public static void main(String args[]) {
Counter c1=new Counter();
Counter c2=new Counter();
c1.increment();
c1.display();
c2.increment();
c2.display();
System.out.println(c1.a++);
//System.out.println(c1.count);
System.out.println(c1.a);
}
}
