3. Identify the errors in the following Java program and rewrite the program without errors(10 Marks) a. public class JavaDemo { public static main(String[] args) { System.out.println("Hello World Example) } } b. public static void main(String[] args) string nn="AMAIUB" int year=2018; system.out.println("University Name :"+NN) system.out.println("Current Year :"year); }