What is y displayed?
```
public class Test {
public static void main(String[] args) {
int x = 1;
int y = x + x++;
System.out.println("y is " + y);
}
}
```
a. y is 1.
b. y is 2.
c. y is 3.
d. y is 4.
b. y is 2.
When evaluating x + x++, x is evaluated first, which is 1. X++ returns 1 since it is post-increment and 2. Therefore y is 1 + 1.
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