Ernst & Young Java Developer Interview Questions and Answers | EY Java Developer Interview Questions
🔥 Real EY (Ernst & Young) Java Interview Questions for 2 to 5 Years Experienced Developers!
I'm covering 15 core Java interview questions that EY and other top consulting & product
companies ask — with live IntelliJ code walkthrough, explained simply in English.
Whether you're preparing for EY, Deloitte, Accenture, Infosys, or any company —
these Java concepts are non-negotiable for your next interview.
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🕐 TIMESTAMPS
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00:00 - Introduction
01:00 - Q01: OOP Pillars (Encapsulation, Inheritance, Polymorphism, Abstraction)
03:19 - Q02: String vs StringBuilder vs StringBuffer
04:55 - Q03: Collections Framework Overview
06:04 - Q04: Lambda Expressions & Stream API Basics
07:50 - Q05: Interface vs Abstract Class
09:46 - Q06: Multithreading — Thread, Runnable, ExecutorService
11:30 - Q07: equals() and hashCode() Contract
13:11 - Q08: static keyword — variables, blocks, nested classes
14:07 - Q09: Immutable Class + Java Records
15:00 - Q10: Java 8 Date-Time API
16:00 - Q11: ArrayList vs LinkedList — Deep Dive
17:10 - Q12: SOLID Principles with Java Code
18:44 - Q13: Memory Management & Garbage Collection
19:21 - Q14: Iterator & ConcurrentModificationException
20:42 - Q15: Coding Problems (palindrome, anagrams, duplicates)
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📂 GitHub Repo (All 15 Questions + Code)
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🔗 https://github.com/TheDipDeveloper/ey...
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