1. Correct the error in the following code. Find out the errors in the java program ( 2 Marks)

public class Q8{ private int x private int y; public void sum(){ return x + y } public int sub(){ system.out.println(x-y); }

Answer:

2. (a) Create a java class named 'Mobile' with two attribute MobileBrand and Mobile ID. You should also implement: - Empty constructor and constructor with arguments(parameters) - Setter methods & getter methods - Override the method toString() to print MobileBrand-MobileID

(b) Create the main class that has the main method: (2 Marks) - In the main method, create three objects from the class Mobile and store them in in a normal array of a size 3 and data type Mobile. - Use for loop to print all the elements of the array using toString() method.