How To Write A Java Test Plan Triangle . The lengths of the sides of the triangle should be less than or equal to 1000. Verify that the sum of the angles of the figure is 180 degrees. PROGRAM JAVA LOOPING PYRAMID Abang Fatta from abangfatta.blogspot.com First loop will work till entering row value and the second loop till the first loop pass the. The first loop within the outer loop is used to print the spaces before each star. 1 for a scalene triangle, 2 for a isosceles.