Packt
Java Core Review and Interview Guide

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Packt

Java Core Review and Interview Guide

Included with Coursera Plus

Gain insight into a topic and learn the fundamentals.
Intermediate level

Recommended experience

3 weeks to complete
at 10 hours a week
Flexible schedule
Learn at your own pace
Gain insight into a topic and learn the fundamentals.
Intermediate level

Recommended experience

3 weeks to complete
at 10 hours a week
Flexible schedule
Learn at your own pace

What you'll learn

  • Master Java features from versions 10 to 24, including modularization and virtual threads

  • Strengthen your understanding of Java's memory management, including garbage collection and heap vs. stack memory

  • Apply advanced Java concepts such as functional programming, concurrency, and thread safety

  • Prepare for Java-related interviews with in-depth reviews of essential concepts and interview strategies

Details to know

Shareable certificate

Add to your LinkedIn profile

Recently updated!

September 2025

Assessments

21 assignments

Taught in English

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This course is part of the Learn Java from Scratch - A Beginner's Guide Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
  • Learn new concepts from industry experts
  • Gain a foundational understanding of a subject or tool
  • Develop job-relevant skills with hands-on projects
  • Earn a shareable career certificate

There are 20 modules in this course

In this module, we will introduce the new updates included in this course, focusing on advanced Java concepts like Spring, Spring Boot, and REST API. We will also explore how these technologies work together in building a comprehensive, real-world Java project.

What's included

1 video2 readings1 assignment1 plugin

In this module, we will explore the new features introduced across Java versions from Java 10 to Java 24. We will cover modularization, the latest API enhancements, and advanced features such as records, pattern matching, and virtual threads.

What's included

26 videos1 assignment1 plugin

In this module, we will provide an overview of the Java interview and review guide. This section will help you prepare for technical discussions by focusing on core Java concepts and common interview questions.

What's included

1 video1 plugin

In this module, we will dive deep into the Java platform, covering its components and how they work together. We will also explore Java’s platform independence, memory management, and performance optimizations, key topics in Java interviews.

What's included

20 videos1 assignment1 plugin

In this module, we will discuss the landscape of Java, its evolution, and the key components that make up the Java ecosystem. We will also highlight the release cadence and the importance of Long Term Support (LTS) versions.

What's included

12 videos1 assignment1 plugin

In this module, we will focus on Java’s memory management mechanisms. You will learn about memory allocation, garbage collection, and advanced techniques for optimizing memory usage in Java applications.

What's included

15 videos1 assignment1 plugin

In this module, we will explore the fundamental object-oriented programming concepts in Java. You will also gain insight into design patterns, inheritance, and encapsulation, which are essential for Java interviews.

What's included

26 videos1 assignment1 plugin

In this module, we will dive deeper into object-oriented programming details, including common best practices for method implementations, object initialization, and the use of inner classes and marker interfaces.

What's included

14 videos1 assignment1 plugin

In this module, we will cover core Java topics in depth, from wrapper classes and strings to text blocks and records. You will also gain insights into memory optimization techniques and best practices for core Java components.

What's included

18 videos1 assignment1 plugin

In this module, we will delve into functional programming within Java, covering key concepts such as lambdas, streams, and functional interfaces. We will also explore advanced topics like parallel streams and higher-order functions.

What's included

18 videos1 assignment1 plugin

In this module, we will examine Java’s concurrency model, including thread creation, management, and synchronization. We will also explore advanced concurrency topics such as virtual threads and race condition solutions.

What's included

26 videos1 assignment1 plugin

In this module, we will explore Java collections in-depth, covering the key collection types and when to use them. We will also discuss concurrency, best practices, and performance considerations.

What's included

23 videos1 assignment1 plugin

In this module, we will introduce generics in Java, covering their practical applications and importance. We will also discuss type erasure and how to restrict types in generics for safer and more reusable code.

What's included

6 videos1 assignment1 plugin

In this module, we will explore the various modifiers in Java, including access, static, final, and abstract modifiers. You will learn how and when to use them effectively in Java applications.

What's included

6 videos1 assignment1 plugin

In this module, we will examine Java's exception handling system, including its design patterns and best practices. You will learn how to handle exceptions effectively to ensure robust and maintainable Java applications.

What's included

12 videos1 assignment1 plugin

In this module, we will cover the serialization process in Java, including techniques for serializing and deserializing objects. We will also discuss serialVersionUID and the use of the Externalizable interface.

What's included

9 videos1 assignment1 plugin

In this module, we will introduce several essential built-in Java classes, such as Object, System, and UUID, and explore their uses in Java development, especially in the context of system-level and multi-threaded applications.

What's included

10 videos1 assignment1 plugin

In this module, we will cover a range of miscellaneous topics in Java, from using enums and assertions to the evolution of pattern matching and switch expressions. You will also learn about reflection and annotations.

What's included

12 videos1 assignment1 plugin

In this module, we will examine the new features added to Java in recent releases. You will learn about the primary goals behind these updates and the key features introduced in each version.

What's included

4 videos1 assignment1 plugin

In this final module, we will wrap up the Java review guide with closing remarks. You will reflect on everything you've learned and be ready to tackle Java interviews with confidence and expertise.

What's included

1 video1 reading3 assignments1 plugin

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Packt
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