打印五行三角形为例:
public class Test01 {
public static void main(String[] args) {
//打印三角形
for (int i = 0; i <= 5; i++) {
for (int j=5;j>=i;j++){
System.out.print(" ");
}
for (int j=1;j<=i;j++){
System.out.print("*");
}
for (int j=1;j
}
}
}
运行结果如下:



