The following program produces 4 lines of output. Write each line of output below as it would appear on the console. import java.util.*; // for Arrays class public class ReferenceMystery1 { public static void main(String[] args) { int x = 0; int[] a = new int[4]; X++; mystery(x, a); System.out.println(x + "" + Arrays.toString(a)); X++; mystery(x, a); System.out.println(x + } + Arrays.toString(a)); public static void mystery(int x, int[] a) { X++; a[x]++; System.out.println(x + "" } + Arrays.toString(a)); } line 1 1 line 2 2 line 3 2 line 4 3

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