正文
java从键盘输入打印出直角三角形
提示：扫一扫查出行【扫一扫了解最新限行尾号】
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package com.aaa;import java.util.Scanner;
//重在参与，欢迎评价，吐槽~~~~
//输出直角三角形
public class Se {public static void main(String[] args) {
Scanner c = new Scanner(System.in);
System.out.println("请输入三角形的行数--------");
int x = c.nextInt();for (int i = 1; i <= x; i++) {
for (int j = 1; j <= i; j++) {
System.out.print("* ");
}System.out.println();
}}}
