Writing Methods

AP Computer Science A· difficulty 2/5

public class Tester {
    public int sign(int n) {
        if (n > 0) return 1;
        if (n < 0) return -1;
        return 0;
    }
}
// ...
Tester t = new Tester();
System.out.println(t.sign(0));

What is printed?

A
$Compile-time error$
B
$-1$
C
$1$
D
$0$
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Explanation

n is 0, so neither if branch returns; the final return 0 executes.

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