技術標籤：java基礎

java打印出金字塔圖形

package com.ycy;
public class Test08 {
	public static void main(String[] args) {
		for (int i = 1; i <= 6; i++) {
			for (int j = 1; j <= 6 - i; j++) {
				System.out.print(" ");
			}
			for (int a = 1; a <= 2 * i - 1; a++) {
				System.out.print("*"
 
);
			}
			System.out.println();
		}

		for (int i = 5; i >= 1; i--) {
			for (int j = 0; j <= 5 - i; j++) {
				System.out.print(" ");
			}
			for (int a = 1; a <= 2 * i - 1; a++) {
				System.out.print("*");
			}
			System.out.println();
		}
	}
}