Free Udemy Course __ Java: Complete Java Core for Beginners with Exercises - 2025

Java, Java Core, Object Oriented Programming (OOP), Collections, Maps, Exceptions, Generics, IO, Concurrency Explained

4.5 (21,379 students students enrolled) English
back-end Java
Java: Complete Java Core for Beginners with Exercises - 2025

What You'll Learn

  • Java
  • Java Core
  • Java Development Kit (JDK) setup
  • Basic Java program execution
  • Integrated Development Environment (IDE) understanding
  • Primitive data types usage
  • Variable declaration and initialization
  • Type casting
  • Primitive and non-primitive data type differentiation
  • Array and string declaration
  • Variable naming conventions
  • Variable scope
  • Console output
  • Console input using the Scanner class
  • Arithmetic operators usage
  • Comparison and logical operators usage
  • Operator precedence understanding
  • if-else statement usage
  • Switch statement usage
  • Loop usage (for, while, do-while)
  • Loop control (break, continue)
  • Method definition and invocation
  • Method overloading
  • Recursion in methods
  • Array manipulation
  • String immutability understanding
  • String concatenation
  • String comparison
  • String formatting
  • String pool concept
  • Object Oriented Programming (Java OOP)
  • Class and object creation
  • Constructor usage
  • Encapsulation with getters and setters
  • Inheritance implementation
  • Method overriding
  • Use of the super keyword
  • Polymorphism in Java
  • Method overloading and overriding differentiation
  • Abstract classes and interfaces usage
  • SOLID principles application
  • Exception handling with try-catch blocks
  • Checked and unchecked exceptions differentiation
  • Custom exception creation
  • Collections and Maps
  • List, Set, and Queue usage
  • Map manipulation
  • Iterator usage
  • Enumerations
  • Generic class and method creation
  • Input/output stream usage
  • Object serialization and deserialization
  • Thread management
  • Synchronization for thread safety
  • Executor framework usage
  • Fork/Join framework usage
  • Thread pooling
  • Atomic variables for thread safety
  • Inter-thread communication with wait-notify

Requirements

  • Good news! There are no prerequisites for this course - it's perfect for anyone who's just getting started with programming. You don’t need any prior coding experience, and we’ll guide you through every step from the very basics.
  • A computer (Windows, macOS, or Linux) to write and run Java programs.
  • Basic computer skills, like installing software and managing files.
  • Excitement to learn Java and have fun exploring the world of coding!

Who This Course is For

  • Newcomers to programming: You’ve never written a line of code before, and you’re eager to start with one of the most widely-used languages - Java!
  • Students or professionals looking to build a foundation in programming to advance in fields like software development, data science, or game development.
  • Self-learners who enjoy online learning and want a structured, beginner-friendly path to mastering Java.
  • Career changers who are looking to enter the tech industry and want to start their journey with a strong foundation in Java.
  • Hobbyists and tinkerers who want to learn how to build small programs and understand how coding works.

Your Instructor

Andrii Partola

Founder of ITER Academy, Java Instructor

4.4 Instructor Rating

972 Reviews

37,104 Students

4 Courses

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