4. What is the output of the following question? class Test int a = 10; static int b = 20; public static void main(String[] args) Test ti = new Test(); ti.a = 100; ti.b = 200; Test t2 = new Test(); System.out.println("t1.a =" + tl.a + " ti.b = " + t1.b); System.out.println("t2.a =" + t2.a + " t2.b =" + t2.b)