How to make differnt patterns of * and what is the concept behind this.

Answer 1

You wil learn how to use a loop.

See this code.

https://code.sololearn.com/c3qcBlWLvsIT/?ref=app

Answer 2

Patterns can be generated using 'for loops'.
You can Google search 'for Loop patterns' for the programming language you want.
this is a link to what the Google search for Java for Loop patterns returned.
the first link is really good it gives compete explanations with star patterns in number patterns end character patterns.

https://www.edureka.co/blog/30-pattern-programs-in-java/

https://www.topjavatutorial.com/java/java-programs/25-java-programs-printing-number-character-patterns/

I hope this helps you.