https://www.codewars.com/kata/576757b1df89ecf5bd00073b/train/java
Build a pyramid-shaped tower, as an array/list of strings, given a positive integer number of floors. A tower block is represented with "*" character.
For example, a tower with 3 floors looks like this:
[ " * ", " *** ", "*****" ] And a tower with 6 floors looks like this:
[ " * ", " *** ", " ***** ", " ******* ", " ********* ", "***********" ] ...look at original example (website codewars)