Write a difference between unary and binary operator.

if (a>b&&b>c) then largest number is:

1. b
2. c
3. a
4. wrong expression

If x = 5 and y = 4, what will be the output of the following code?

x += ++y - x-- + y++;
System.out.println("x = " + x);
System.out.println("y = " + y);

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