常用算法_数组复制Test3

package java基础知识.小结与练习;

import java.util.Arrays;

public class 数组复制Test1 {

/**
* @param 数组复制练习
*/
public static void main(String[] args) {
int arr1[] = { 32, 434554, 56457, 54 };
int arr2[] = arr1;
System.out.println(arr1 == arr2);
for (int i = 0; i < arr2.length; i++) {
System.out.print(arr2[i] + "\t");
}
int arr3[] = Arrays.copyOf(arr1, arr1.length);
System.out.println("\n" + (arr3 == arr1));
for (int i = 0; i < arr3.length; i++) {
System.out.print(arr3[i] + "\t");
}
int arr4[] = new int[arr1.length];
System.arraycopy(arr1, 0, arr4, 0, arr1.length);
System.out.println("\n" + (arr4 == arr1));
for (int i = 0; i < arr4.length; i++) {
System.out.print(arr4[i] + "\t");
}
}
}