After the following code fragment, what is the value in a? String s; int a; s = "Foolish boy."; a = s.indexOf("fool");

Java's automatic memory management:

public class SomeClass { public static void main(String[] args) { System.out.println((String) null); } } What is the result of the following program?

Java's String class is

Output of Program: class Test {public static void main(String[] ar) {int i=0; if(i) System.out.print("hi"); else System.out.print("bye"); } }

Which of the following is true about overloading vs overriding methods?