480 Core Java Interview Questions (Part 5)

This guide having 480 Core Java interview questions will help you in revising most asked core java interview questions for both junior and senior developers. 401.What is Optional in Java 8? 402.What are the uses of Optional? 403.Which method in Optional provides the fallback mechanism in case of null value? 404.How can we get current … Read more480 Core Java Interview Questions (Part 5)

480 Core Java Interview Questions (Part 4)

This guide having 480 Core Java interview questions will help you in revising most asked core java interview questions for both junior and senior developers. 301.Which intrinsic lock is acquired by a synchronized method in Java? 302.Can we mark a constructor as synchronized in Java? 303.Can we use primitive values for intrinsic locks? 304.Do we … Read more480 Core Java Interview Questions (Part 4)

480 Core Java Interview Questions (Part 3)

This guide having 480 Core Java interview questions will help you in revising most asked core java interview questions for both junior and senior developers. 201.What are the similarities between a HashSet and a HashMap in Java? 202.What is the reason for overriding equals() method? 203.How can we synchronize the elements of a List, a … Read more480 Core Java Interview Questions (Part 3)

480 Core Java Interview Questions (Part 2)

This guide having 480 Core Java interview questions will help you in revising most asked core java interview questions for both junior and senior developers. 101. Why Java provides Garbage Collector? 102.What is the purpose of gc() in Java? 103.How does Garbage Collection work in Java? 104.When does an object become eligible for Garbage Collection … Read more480 Core Java Interview Questions (Part 2)

480 Core Java Interview Questions (Part 1)

This guide having 480 Core Java interview questions will help you in revising most asked core java interview questions for both junior and senior developers. 1. What is the difference between JDK and JRE? 2. What is Java Virtual Machine (JVM)? 3. What are the different types of memory areas allocated by JVM? 4. What … Read more480 Core Java Interview Questions (Part 1)

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