JAVA常见算法题(二十)

package com.xiaowu.demo;

/**
*
*
打印出如下图案（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();
}
}
}