In Java auto-boxing is very interested feature which automatically covert int to Integer, long to Long, float to Float etc. This feature introduced was introduced in the JAVA 5. Any developer want to compare the …
We can remove duplicate items from ArrayList in java by simply converting ArrayList into Set in Java. But Set does not maintain insertion order as by List. So whenever we will convert ArrayList to HashSet …
Here I have categorized core java interviews questions and answers for fresher and experience developer in Basics of core java interview questions, OOPs interview questions, String Handling interview questions, Multi-threading interview questions, collection interview questions, …
