Question

用java编写一个镂空的金字塔

*
* *
* *
******
图不一定是上面的样子！

Answer 1

public class Test11 {
public static void main(String[] args) {
final int N=7;
for (int i = 1; i <= N; i++) {
for (int j = 1; j <= N - i; j++) {
System.out.print(" ");
}
for (int k = 1; k <= i; k++) {
if(k==1 || k==i || i==N)
System.out.print("* ");
else
System.out.print(" ");
}
System.out.println();
}
}
}
运行结果：
*
* *
* *
* *
* *
* *
* * * * * * *