How to load a class inside a jar library when the java application starts?

Question

I have a jar utility do do some functionality. i am adding that jar as dependency to a maven application. it uses simple java. i wanted a class inside the jar to be run on application startup. how can we do that?

Answer 1

Create a new Object. com.example.Foo inside JAR lib.

com.example.Foo foo = new com.example.Foo();