打印菱形源码（java实现）

来源：互联网发布：asp.net mvc 获取域名编辑：程序博客网时间：2024/05/18 01:09

源码：

package rhombus;import java.util.Scanner;public class Main {    public static void main(String[] args) {        System.out.print("请输入你要打印菱形跨度的半边(包括中心)：");        Scanner input=new Scanner(System.in);        int crosswise=input.nextInt();        input.close();        crosswise=2*crosswise-1;        int record=1;        int requiredRhoubus=2*record-1;        int requiredBlank=crosswise-requiredRhoubus;        requiredBlank=requiredBlank/2;        int i,j;        for(i=1;i<=crosswise/2+1;i++)//打印菱形的上半边        {            for(j=0;j<requiredBlank;j++)            {                System.out.print(" ");            }            for(j=0;j<requiredRhoubus;j++)            {                System.out.print("*");            }            for(j=0;j<requiredBlank;j++)            {                System.out.print(" ");            }            System.out.print("\n");            record++;            requiredRhoubus=2*record-1;            requiredBlank=crosswise-requiredRhoubus;            requiredBlank=requiredBlank/2;        }        requiredRhoubus=(crosswise-record+1)*2-1;//打印菱形的下半边，计算规则改变        requiredBlank=crosswise-requiredRhoubus;        requiredBlank=requiredBlank/2;        for(i=record;i<=crosswise;i++)        {            for(j=0;j<requiredBlank;j++)            {                System.out.print(" ");            }            for(j=0;j<requiredRhoubus;j++)            {                System.out.print("*");            }            for(j=0;j<requiredBlank;j++)            {                System.out.print(" ");            }            System.out.print("\n");            record++;            requiredRhoubus=(crosswise-record+1)*2-1;            requiredBlank=crosswise-requiredRhoubus;            requiredBlank=requiredBlank/2;        }    }}

测试结果

源码属于个人原创，亲测有效，没有参照任何人的代码

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