what is it needed to use java code example
Example: what can you do with java
Java is a very popular programming language.
Some things you can do with it:
1) Make the backend of a website with spring (https://docs.spring.io/spring/docs/current/spring-framework-reference/")
2) Make an android application (https://developer.android.com/docs)
3) Make a simple desktop application with "JavaFX"