The Java Interview Handbook: 300+ Interview Questions

The ultimate guide to Java interviews with 300+ real-world questions and answers. Get interview-ready in just a few hours with strategies developed by FAANG engineers.

Intermediate

86 Lessons

15h

Certificate of Completion

The ultimate guide to Java interviews with 300+ real-world questions and answers. Get interview-ready in just a few hours with strategies developed by FAANG engineers.

AI-POWERED

Mock Interview

Explanations

AI-POWERED

Mock Interview

Explanations

This course includes

147 Playgrounds

55 Quizzes

This course includes

147 Playgrounds

55 Quizzes

Course Overview

It’s very common to have interviews testing your knowledge of a programming language you claim to be an expert in. If you've got an interview coming up on Java soon and need to get up to speed, this is the ideal course for you. You'll refresh your memory on everything from the basics to more advanced functionality you’re likely to be asked about. Even if you're using Java every day, you may not have been exposed to parts of it in some time, so it's always useful to make sure you're updated. This course fe...Show More

Course Content

Java Ecosystem

Learn how to use Java, its ecosystem, JVM, editions, and essential development tools.

Introduction

Java & it's Ecosystem

Java Virtual Machine

Java Flavors & Processes

Java Tools & Files

Methods

Unpack the core of Java's method handling, including varargs, pass-by-value, and method overloading.

Variable Argument Passing

Pass by Value

Pass by Reference

Method Overloading

Classes

Work your way through Java class concepts, access control, inheritance, and object lifecycles.

Anonymous and Local Classes

Interfaces

Grasp the fundamentals of Java interfaces, including method signatures, multiple inheritance, and functional interfaces.

Interfaces

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI-Powered Mock Interviews

Put your skills to the test in a simulated interview setting. Receive personalized feedback based on your performance. Available in Premium & Premium Plus plans.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!