Printing *s as triangles in Java?

Question

My assignment in my Java course is to make 3 triangles. One left aligned, one right aligned, and one centered. I have to make a menu for what type of triangle and then input

Answer 1

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

 *
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