JAVA常見演算法題(二十)

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package com.xiaowu.demo;/** *  *  列印出如案(菱形) * *  *  * @author WQ * */public class Demo20 {    public static void main(String[] args) {        display(5);    }    public static void display(int h) {        for (int i = 0; i < (h + 1) / 2; i++) {            for (int j = 0; j < h / 2 - i; j++) {                System.out.print(" ");            }            for (int k = 1; k < (i + 1) * 2; k++) {                System.out.print("*");            }            System.out.println();        }        for (int i = 1; i <= h / 2; i++) {            for (int j = 1; j <= i; j++) {                System.out.print(" ");            }            for (int j = 0; j < h - 2 * i; j++) {                System.out.print("*");            }            System.out.println();        }    }}

 

JAVA常見演算法題(二十)

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