What is difference between java and core java?

Question

core java is easy to learning?and give some website for studying core java

Answer 1

//core java means basic java , btw java is a very big language ... java se(core java) , java me , java ee & many more
//here are some sources to study java more
https://www.sololearn.com/discuss/580291/?ref=app
https://www.sololearn.com/Discuss/510275/?ref=app
https://www.sololearn.com/Discuss/923664/?ref=app
https://www.sololearn.com/Discuss/204501/?ref=app
https://www.sololearn.com/Discuss/844148/?ref=app
https://www.sololearn.com/Discuss/636195/?ref=app
https://www.sololearn.com/Discuss/208039/?ref=app

Answer 2

https://stackoverflow.com/questions/2000349/what-is-the-difference-between-java-and-core-java

http://www.differencebetween.info/difference-between-java-and-core-java