Introduction - If you have any usage issues, please Google them yourself
import java.util.Arrays
public class CopyArray {
public static void main (String args[ ]) {
int [] a {1,2,3,4,500,600,700,800}
int [] b,c,d
System.out.println(Arrays.toString(a))
b Arrays.copyOf(a,a.length)
System.out.println(Arrays.toString(b))
c 【代码1】//Arrays调用copyOf方法复制数组a的前4个元素
System.out.println(【代码2】) //Arrays调用toString方法返回数组c元素值的字符串
d 【代码3】//Arrays调用copyOfRange方法复制数组a的后4个元素
System.out.println(Arrays.toString(d))
【代码4】 //将-100赋给数组c的最后一个元素
d[d.length-1] -200
System.out.println(Arrays.toString(a))
}
}