Java-入门 等腰三角形&菱形绘制

**

内含等腰三角形，菱形绘制

**
import java.util.Scanner;

public class Dengyaosanjiaoxing {
    
    
    public static void main(String[] args) {
    
    
        Scanner sc = new Scanner(System.in);
        System.out.println("输入等腰行数");
        int hang = sc.nextInt();



        /*这是偶数
        int shangHang = hang/2;
        int xiaHang = hang/2;
        System.out.println(xiaHang);
*/

      //等腰 行数获取
        int shangbian = hang;

        for (int i = 1;i<=shangbian;i++){
    
    

            for (int j = shangbian; j>i;j--){
    
    
                System.out.print(" ");
            }

            for (int d = 1;d <= i*2-1;d++){
    
    
                System.out.print("*");
            }
            System.out.print("\n");
        }





         //偶数菱形版
       /*  for (int i = 1;i <= shangHang;i++){

            for (int d =1;d<=shangHang-i;d++){
               System.out.print(" ");
            }

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



            System.out.println("");

        }

        //下半部分
        for (int i = xiaHang;i >= 1;i--){

            for (int d =xiaHang-1;d >=i;d--){
                System.out.print(" ");

            }

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



            System.out.println("");

        }*/


    }
}