Sample Questions

Output Tracing

class SimpleCompare{
    public static void main(String args[]) {
        String s = new String("hello");
        String ss = "hello";
        String sp= "hello";
        System.out.println(s.compareTo(ss));
        System.out.println(s==ss);
        System.out.println(s==sp);
        System.out.println(ss==sp);
    }
}

Write Java Programs for the following questions:

• Write down a method to find how many times an object has been instantiated in Java.

Write C++Programs for the following questions:

• Write down a program in c++ using copy constructor to initialize its member variable from another object.