复制数组

import java.util.*;public class Test5{public static void main (String args[]){int []a= {1,2,3,4,500,600,700,800};int[] b,c,d;System.out.println("a"+Arrays.toString(a));b=Arrays.copyOf(a, a.length);System.out.println("b"+Arrays.toString(b));c=Arrays.copyOf(a, 4);System.out.println("c"+Arrays.toString(c));d=Arrays.copyOfRange(a, 4, a.length);System.out.println("d"+Arrays.toString(d));d[d.length-1]=-200;System.out.println("e"+Arrays.toString(a));}}