Java Copy数组

package com.arraycopy;

public class StrArrayCopy {


public static void main(String[] args) {

String a [] = {"123","中华人民共和国"};
String aa[] = new String[a.length];
System.arraycopy(a, 0, aa, 0, a.length);
int i;
for(i=0;i<a.length;++i){
System.out.print(aa[i]+"\t");
}
System.out.println("\n");
System.out.println("------------------------");

}

}