1. a) b) c) What is meant by encapsulation and polymorphism in OOP? Write a java program where this keyword can be used to invoke the current class constructor. What will be the output of the following Java program? public class EEE static boolean b; public static void main(String [] args) { } short tt = 42; if (tt tt++; if ( tt> 50 ); else if (tt > 40 { 50 && !b ) /* Line 7 */ tt = 7; tt++; } else --tt; ) /* Line 9 */ System.out.println(tt);