package com.hanqi;public class Test10 { public static void main(String[] args) { //输出三角形 for(int m = 1; m <= 10; m++) { for (int n = 1; n <= m; n++) { System.out.print("*"); } System.out.println(); }// for(int m = 1; m <= 9; m++)// {// for (int n = 9; n >= m; n--)// {// System.out.print("*");// }// // System.out.println();// } for(int m = 9; m >= 1; m--) { for (int n = 1; n <= m; n++) { System.out.print("*"); } System.out.println(); } for (int m = 1; m <= 10; m++) { //输出空格 for (int n = 9; n >= m ;n--) { System.out.print(" "); } //输出* for (int n = 1; n <= m; n++) { System.out.print("*"); } System.out.println(); }// for (int m = 1; m <= 9; m++)// {// //输出空格// for (int n = 1; n <= m ;n++)// {// System.out.print(" ");// }// //输出*// for (int n = 9; n >= m; n--)// {// System.out.print("*");// } //// System.out.println();// } for (int m = 9; m >= 1; m--) { //输出空格 for (int n = 9; n >= m ;n--) { System.out.print(" "); } //输出* for (int n = 1; n <= m; n++) { System.out.print("*"); } System.out.println(); } System.out.println(); System.out.println(); //菱形 //上半部分 for (int m = 1; m <= 10; m++) { //输出空格 for (int n = 9; n >= m ;n--) { System.out.print(" "); } //输出* 左上 for (int n = 1; n <= m; n++) { System.out.print("*"); } //右上 for (int n = 1; n < m; n++) { System.out.print("*"); } System.out.println(); } //下半部分 for (int m = 1; m <= 9; m++) { //输出空格 for (int n = 1; n <= m ;n++) { System.out.print(" "); } //输出* 左下 for (int n = 9; n >= m; n--) { System.out.print("*"); } //右下 for (int n = 9; n > m; n--) { System.out.print("*"); } System.out.println(); } }}