Q. With x = 0, which of the following are legal lines of Java code for changing the value of x to 1?
1. x++;
2. x = x + 1;
3. x += 1;
4. x =+ 1;

• (A) 1, 2 & 3
• (B) 1 & 4
• (C) 1, 2, 3 & 4
• (D) 3 & 2