*
* *
* * *
* * * *
答案如下:
public class Num1 {
public void Test(int n){
System.out.println("你输入的三角形如图");
for (int i = 0; i < n; i++) {
for (int j = 0; j <= n-1-i; j++) {
System.out.print(" ");
}
for (int k = 0; k <= i; k++) {
System.out.print("* ");
}
//每遍历一次换一行
System.out.println(" ");
}
}
public static void main(String[] args) {
Num1 n= new Num1();
n.Test(7);
}
}