JAVA一层for循环打印出倒立三角形

Question

如何使用JAVA一层for循环打印出倒立三角形？

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Answer 1

[code="java"]
StringBuilder sb=new StringBuilder("*********");
for(int i=0;i<5;i++){
System.out.println(sb);
int n=sb.length()-1;
sb.deleteCharAt(n);
sb.deleteCharAt(n-1);
sb.insert(0,' ');
}
[/code]