java中的equals函数

import java.util.Scanner;
public class EqualsByHands {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        int[] arr2 = new int[5];
       // Scanner sv = new Scanner(System.in);
        int[] arr3 = new int[5];
        for (int i = 0; i < arr2.length; i++) {
            arr2[i] = sc.nextInt();

        }
        System.out.print("你输入的第一个数组是：");
        System.out.println(java.util.Arrays.toString(arr2));
        for (int j = 0; j < arr2.length; j++) {
            arr3[j] = sc.nextInt();
        }
        System.out.print("你输入的第二个数组是：");
        System.out.println(java.util.Arrays.toString(arr3));
        boolean flag = compare(arr2, arr3);
        System.out.print("比较结果是：");
        if (flag == true) {
            System.out.println("两个数组相同");
        } else {
            System.out.println("两个数组不同");
        }
    }
    public static boolean compare(int[] arr2, int[] arr3) {
        if (arr2.length != arr3.length) {
            return false;
        }
        for (int x = 0; x < arr2.length; x++) {
            if (arr2[x] != arr3[x]) {
                return false;
            }
        }
        return true;
    }
}