java-第九章-循环结构进阶-输入行数,打印到直角三角形

package 上机练习;

import java.util.Scanner;

public class A04 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input = new Scanner (System.in);
System.out.println("请输入三角形的行数:");
int rows = input .nextInt();
for (int i = 1; i <=rows; i++) {
for (int j = 1; j <=rows+1-i; j++) {
System.out.print("*");
}
System.out.println();
}
}

}