Deloitte Java Interview for Experienced | 30 Core Java Interview Questions & Answers

Описание: Preparing for a Deloitte Java Developer interview?

In this video, I explain 30 most important Core Java interview questions that are frequently asked in Deloitte interviews, with detailed explanations, real-world use cases, and code snippets.

This video is perfect for:

Java Developers

Backend Developers

Freshers & Experienced candidates

Deloitte interview preparation

🎯 If you understand these questions clearly, you’ll be confident in any Java technical interview.

📋 🔥 30 CORE JAVA INTERVIEW QUESTIONS COVERED IN THIS VIDEO

What is Java and why is it platform independent?

Difference between JVM, JRE, and JDK

What are OOP concepts in Java?

What is Encapsulation with real use case?

Abstract Class vs Interface in Java

What is Polymorphism and where is it used?

Method Overloading in Java

Method Overriding in Java

Difference between == and .equals()

What is final keyword in Java?

String vs StringBuilder vs StringBuffer

What is Immutability in Java?

How does HashMap work internally?

HashMap vs Hashtable

Array vs ArrayList in Java

What is an Exception in Java?

Checked vs Unchecked Exception

Difference between throw and throws

What is Multithreading in Java?

Thread vs Runnable

What is Synchronization in Java?

What is Deadlock with example?

JVM Memory Structure explained

What is Garbage Collection in Java?

What is static keyword and its use?

What is Constructor in Java?

Can constructor be overridden?

What is Serialization in Java?

Difference between transient and volatile

Why Java is considered secure?

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Deloitte Java interview questions

Core Java interview questions and answers

Java developer interview preparation

Deloitte technical interview Java

Java interview questions for experienced

Java interview questions for freshers

Backend developer interview preparation

Core Java concepts explained with examples