What is the basic logic behind patterns in Java (like pyramid)??

Question

I've been trying to understand from net and my school book but it ain't helping😩

Answer 1

" Programs for printing pyramid patterns in Java"

https://www.geeksforgeeks.org/programs-printing-pyramid-patterns-java/

" Suppose you want to draw Following pattern in java...But the que. is how..?"

http://javagtu.blogspot.in/2013/08/logic-behind-pattern.html?m=1