---

Java输出等腰三角形

---

---

import java.util.Scanner;/*** 输出等腰三角形*/
public class hello {public static void main(String[] args){Scanner sc = new Scanner(System.in);System.out.print("输入行数！！！！！！：" );int line = sc.nextInt();for (int i = 0; i<line;i++){//控制前面的空格for(int z=1; z<line-i  ; z++){System.out.print(" ");}//控制星星的数目for(int j = 0;j<i*2+1;j++){System.out.print("*");}System.out.println();}}
}

效果图：