It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. Half Pyramid pattern using * # 1 2 3 4 5 6 7 8 9 10. Tech Support Guy is completely free -- paid for by advertisers and donations. Staircase, Now we will write a program that prints a staircase of x size. If it's using a matching preprocessor, we'll combine the code  In this program, you'll learn to create pyramid, half pyramid, inverted pyramid, Pascal's triangle and Floyd's triangle sing control statements in Java. Program 1. JavaScript Number Patterns