图形代码

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();
        }    
        
    }

}