三个数2个相同输出不同的那个

import java.util.Scanner;public class Demo{    public static void main(String[] args)     {        System.out.print("请输入三个数：");        Scanner in = new Scanner(System.in);        int x = in.nextInt();        int y = in.nextInt();        int z = in.nextInt();        //判断相同，输出不同的数        if(x == y)            System.out.println(z);        if(x == z)            System.out.println(y);        if(y == z)            System.out.println(x);    }}
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Java code
import java.util.Scanner;public class Test1 {    /**     * @param args     */    public static void main(String[] args) {        // TODO Auto-generated method stub        Scanner in = new Scanner(System.in);        int arr[] = new int[3];        System.out.println("请输入3个数：");        for(int i = 0; i < 3; i++)        {            arr[i] = in.nextInt();        }        for(int i = 1; i < 3; i++)        {            if(arr[0] != arr[i])            {                System.out.println("不相同的数是："+arr[i]);            }        }            }}