package src;
import java.util.Arrays;
import java.util.Scanner;
public class test2 {
public static void main(String[] args) {
int[] i = {1,2,3,4,5,6,7,8,9,10};
int[] j = new int[5];
System.arraycopy(i, 2, j, 0, 5);//从i[2]开始复制,到j的0位开始,复制的长度为5
System.out.println(Arrays.toString(j));//打印数组
//Arrays.copyOf(源数组,长度)
//Arrays.copyOfRange(源数组,起点,终点)
int[] k = Arrays.copyOf(i, 11);//从i[0]开始复制,长度为11,原数组长度不足不足,根据数组乐星补充默认值
System.out.println(Arrays.toString(k));
int[] l = Arrays.copyOfRange(i, 1, 15);
System.out.println(Arrays.toString(l));
/*
int[] arr = {1,2,3,4,5};
int[] tmp = new int[arr.length];
//System,arraycopy(源数组,起始索引,目标数组,起始索引,复制长度)
System.arraycopy(arr, 0, tmp, 0, arr.length);
for(int i = 0; i < tmp.length; i++)
{
System.out.println("tmp["+i+"]="+tmp[i]);
}
System.out.println("tmp==arr?"+(tmp==arr));
*/
}
}