Question

java中如何对数组进行复制?

Answer 1

import java.util.Arrays;
public class Cope
{
	public static void main(String[] args)
	{
		int arr[]=new int[]{23,24,12,8,45};
		int newarr[]=Arrays.copyOf(arr,4);
		int newarr1[]=Arrays.copyOf(arr,8);
		for(int i=0;i<newarr.length;i++)
		{
			System.out.println(newarr[i]);
		}
		System.out.println();
		for(int i=0;i<newarr1.length;i++)
		{
			System.out.println(newarr1[i]);
		}
	}
}