Top 10 Java Generics Questions for Interviews

Can you answer these Java Generics Interview Questions?

Hello guys, Generic interview questions in Java interviews are one of the toughest and tricky questions you will get and if you go for interview without revising generics concepts you will most likely struggle.

If you are preparing for Java interviews and looking for frequently asked Java questions then you are at right place.

In the past, I have shared Java Multithreading questions, Java Serialization questions, System Design interview questions and Enum Interview Questions and in this post, I will share some popular Java Generics interview questions and there answer. 

Generic interview questions can get really tricky if you are not familiar with bounded and unbounded generic wildcards, How generics works internally, Type erasures, and familiarity with writing parametrized generics classes and methods in Java.

As per my experience, one of the best way to prepare for a Generics interview is to try simple program best on various features of generics.

Though, if you are preparing for Java interviews, you can also checkout my books, Grokking the Java Interview and Grokking the Spring Boot, where I have shared frequently asked Java interview questions. You can also use code friends50 to get 50% discount for next few days.

And, here is a nice Java Generics Cheat Sheet for you to revise key Generics concepts before tackling these questions