questions
7 tutorials tagged “questions”.
- Collections Interview Questions in JavaCollections questions asked in Java interviews: List vs Set vs Map, ArrayList vs LinkedList, how HashMap works, fail-fast iterators and picking a class.
- Core Java Interview QuestionsThe core Java interview questions asked most often, from JDK vs JRE vs JVM to pass-by-value, static, final and wrapper classes, with clear answers to reveal.
- Design Pattern Interview Questions in JavaDesign pattern questions asked in Java interviews: Singleton, Factory, Builder, Strategy, Observer, Decorator and Adapter, with JDK examples of each.
- Exception Handling Interview QuestionsException handling questions asked in Java interviews: checked vs unchecked, throw vs throws, finally, try-with-resources, custom exceptions and best practices.
- Multithreading Interview Questions in JavaMultithreading questions asked in Java interviews: thread states, start vs run, synchronized vs volatile, deadlock, executors and virtual threads.
- OOPs Interview Questions in JavaThe OOP questions every Java interview asks: the four pillars, overloading vs overriding, composition, SOLID and more, with answers to reveal.
- String Interview Questions in JavaThe String questions asked in Java interviews: immutability, the string pool, equals vs ==, StringBuilder vs StringBuffer, intern and common string programs.