Question

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

He has written the following statement, which in incorrect.

x=+2;

What will be the correct statement?

1. x+=2;
2. x=2
3. x=x+2;

विकल्प

• Only A

• Only C

• All the three

• Both A and C

Answer 1

Both A and C

Explanation:

• Both x+=2; and x = x+2; are correct statements to increase the value of the variable x by 2.
• The x+= 2; is a shorthand notation for x=x+2;, and both achieve the same result.