Basic hr interview questions and basics of Java
Java Manager Interview Questions
30,825 java manager interview questions shared by candidates
Write a program to get an int value as argument and return it as string. For example, if I give the number 3456 as int, it should return the same number 3456 but as an object of String. You cannot use Java API methods.
4 16 64 256 solve using for loop.
Technical Questions: 1. Three pillars of OOP with explanation of each 2. Final Keyword in Java 3. Abstract Class & Interface difference 4. JSP & Servlets difference 5. What is meant by immutability in Java? 6. Multi-threading - Sleep vs Yield? 7. What is a design pattern and name some. Explain Singleton Design Pattern? 8. protected keyword in access modifiers 9. Continue vs break statement 10. Describe MVC? 11. StringBuffer vs StringBuilder? 12. One logic/algo question: Inserting an element at proper position in a sorted array. They will focus on the very basic logic design like loops, function and their arguments.
Fibonacci implementation
why map is not part of collection interface in Java
What is the difference between an abstract class and an interface?
some questions about hashCode, equals method regex question java concurrency: wait, notify, notifyAll() swing component rendering routine(without using UI-delegate)
Present a project that you've worked on
Inheritance related. given two classes, A has public static void main() method. B extends A which is an empty class. what happens when we run B class
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