1.将数组1复制给数组2 ~~~ package array; public class Array7 { public static void main(String[] args){ int[] arr1={1,2,3,4,5,6,7,8}; int[] arr2=new int[arr1.length]; for(int i=0;i<arr1.length;i++){ arr2[i]=arr1[i]; } for(int i=0;i<arr1.length;i++){ System.out.print(arr2[i]); } } } ~~~