OOP Pillars , String based questions, String immutable, servlets abstract interface, thread
Java Software Developer Interview Questions
3,069 java software developer interview questions shared by candidates
Basic Java Sorting algorithms Some question about how would you design a dictionary for T9 texting
Multi-threading, Collections, Core Java, Spring & SQL
Write own code to implement your own cache and it's all functionality and how to use line by line exact code.
Design patterns, basic java and springboot question, more focus on scenario based questions.
Explain how your previous project could be scaled to handle more websites?
- What is the difference between Overloading and Overriding? - What is the difference between soft and weak references? - Can I call the garbage collector explicitly in the code? - What is the difference between List and Set? - What is the difference between String and StringBuffer and StringBuilder? Which one is serializable? - What are volatile and transient in Java? - In which scenario is a HashMap not a suitable structure? - What is the hierarchy involving Collections, List, and Set? - What is a Functional Interface? - What is a default method? - Can I add more methods in a Functional Interface? - Can I use Functional Interfaces in Streams? - What is the difference between Functional Interface and Predicate? - What is the difference between array and ArrayList? - What is the difference between Stack and Heap memories? - Why can't I use primitive type in Generics? - How to use primitive types in Generics? - What does lambda offer to Java? - How to measure an application's performance?
ej: calculate the mean of a number
Basics of JAVA Basics of all the technologies you have mentioned in resume
What are the S.O.L.I.D principles?
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