A student executes the following code to increase the value of a variable ‘x’ by 2.

He has written the following statement, which is incorrect.

x = +2;

What will be the correct statement?

A. x +=2;
B. x =2;
C. x = x +2;

1. Only A
2. Only C
3. All the three
4. Both A and C

Evaluate the given expression when the value of a=2 and b=3

b*=a++ - ++b + ++a;
System.out.println("a= "+a); 
System.out.println("b= "+b);