CopyArrays

import java.util.Arrays;
public class CopyArrays
{
	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 = Arrays.copyOf(a,4);
		System.out.println(Arrays.toString(c));
		
		d = Arrays.copyOfRange(a,4,a.length);
		System.out.println(Arrays.toString(d));
		
		c [3] = -100;
		
		int []tom = Arrays.copyOf(c, 6);
		System.out.println(Arrays.toString(tom));
		
		d [d.length-1] = -200;
		
		int []jerry = Arrays.copyOfRange(d,1,8);
		System.out.println(Arrays.toString(jerry));
		
		System.out.println(Arrays.toString(a));
		
		/*System.out.println('C'+Arrays.toString(c)+'\t');
		System.out.println('d'+Arrays.toString(d)+'\t');*/
	}
}

posted on 2017-10-20 22:40  MACHINE_001  阅读(155)  评论(0编辑  收藏  举报

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