Thread: ParameterMystery problem

can anyone explain how you get this outs when you run this code.

public class ParameterMystery {
public static void main(String[] args) {
int x = 1;
int y = 2;
int z = 3;

z = mystery(x, z, y); // Statement 1
System.out.println(x + " " + y + " " + z); // Statement 2
x = mystery(z, z, x); // Statement 3
System.out.println(x + " " + y + " " + z); // Statement 4
y = mystery(y, y, z); // Statement 5
System.out.println(x + " " + y + " " + z); // Statement 6
}

public static int mystery(int z, int x, int y) {
z--;
x = 2 * y + z;
y = x - 1;
System.out.println(y + " " + z);
return x;
}
}


Output
3 0
1 2 4
4 3
5 2 4
8 1
5 9 4

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