实践与练习6.7-1

package shuzu;

import java.util.Arrays;

public class SZ {

    public static void main(String[] args) {
        // TODO Auto-generated method stub

        int arr1[] = {1,2,3,4,5};
        int arr2[];
        arr2 = Arrays.copyOf(arr1, 4);
        for(int x : arr1)
        {
            System.out.println("数组arr1中元素有："+x);
        }
        for(int x : arr2)
        {
            System.out.println("数组arr2中元素有："+x);
        }
    }

}