Informal Code Analysis (Loop Tracing)

AP Computer Science A· difficulty 4/5

What does this print? <code> int x = 3; int y = ++x + x++; System.out.println(x + " " + y); </code> </pre>

A
$4 7$
B
$4 8$
C
$5 8$
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D
$5 7$

Explanation

++x: x=4, expr=4. x++: expr=4, x=5. y = 4 + 4 = 8. Final: x=5, y=8.

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