java 打印个三角形

public class ImoocStudent {

    public static void main(String[] args) throws Exception{
        int line = 9;
        for(int i = 1; i <= line;i++){
            for(int k = 0;k < line - i;k++){
                System.out.print(" ");
            }

            for(int j = 1;j <= i;j++){
                System.out.print("* ");
            }
            System.out.println();
        }
    }

}