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The Complete Java 23 Bootcamp - From Beginner to Expert

Learn Java programming! Master OOP, memory management & advanced concepts. Build robust applications with this comprehensive Java course.

4.6(25)
267students
17h 6m
Certificate
Holczer Balazs
Holczer BalazsSoftware Engineer

Course Content

The Complete Java 23 Bootcamp - From Beginner to Expert is an all-levels Udemy course taught by Holczer Balazs. It runs 17h 6m, is taught in English, and includes a certificate of completion. Learners rate it 4.6 out of 5 from 25 reviews, with 267 students enrolled. It is a paid course, last updated March 2025.

Unlock your potential with The Complete Java 23 Bootcamp: From Beginner to Expert! This comprehensive course guides you through the fundamentals of Java programming, empowering you to build robust and scalable applications. Whether you're a complete novice or looking to solidify your skills, this bootcamp delivers practical knowledge and hands-on experience.

Here's a detailed look at what you'll master:

  • Java Basics: Build a strong foundation with core concepts including variables, data types, and type casting. Understand loops and conditionals for control flow. Learn to define and utilize methods and operators. Explore the life cycle of a thread to manage concurrent operations.

  • Object-Oriented Programming (OOP): Dive deep into OOP principles. Learn about classes and objects, class methods, and packages for code organization. Understand modifiers, constructors, and the difference between pass by value and pass by reference. Master inheritance, composition, polymorphism, and abstraction. Learn about encapsulation, interfaces, records, and sealed classes for modern Java development.

  • Memory Management: Gain control over your application's resources. Explore stack and heap memory and understand garbage collection. Learn about ZGC and generational garbage collection for optimized performance.

  • Exception Handling: Develop resilient code by effectively handling errors. Learn about exceptions and errors, and master the use of try-catch blocks, throws, and throw keywords.

  • File Handling & Serialization: Work with files and persist data. Learn to read and write files using FileReader and FileWriter, and utilize FileInputStream, DataInputStream for efficient data handling.

  • Strings: Become proficient in working with text. Understand the constant string pool (intern pool), string comparison techniques, and the powerful intern() method.

  • Generics: Write reusable and type-safe code. Explore generic methods and classes to enhance code flexibility.

  • Java Collection Framework: Efficiently store and manage data. Learn about arrays, lists, hashmaps, and hash sets. Understand the running time comparison of data structures to choose the best option for your needs.

  • Lambda Expressions & Method References: Write concise and expressive code. Master lambda expressions and method references for functional programming in Java.

  • Java Stream API: Process data in a declarative and efficient manner. Utilize the Java stream API for external and internal iterations, short-circuiting, and loop fusion. Learn about optional, parallelization for enhanced performance.

  • Multithreading & Virtual Threads: Build concurrent applications. Understand threads and processes, thread lifecycles, and synchronization mechanisms. Explore the advantages of virtual threads for improved scalability.

Each section combines theoretical explanations with practical Java implementation examples. You'll receive lifetime access to over 180 lectures, along with accompanying slides and source code.

Enroll today and benefit from our 30-day money-back guarantee! If you're not completely satisfied, we'll refund your purchase. Start learning Java now and accelerate your career with a fun, practical, and effective learning experience!

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