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Welcome to JAVA SE

Congratulations on taking the first step toward becoming a real programmer.

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Learn. Practice. Build.

This course is designed to take you from the fundamentals to advanced programming concepts through structured learning, practical examples, and hands-on experience.

Whether you're completely new to programming or an experienced developer looking to expand your skills, you'll find everything you need to move forward with confidence.

Your Path to Becoming a Code Hero

01

Learn

Understand programming concepts step by step and build a strong technical foundation.

02

Practice

Reinforce your knowledge with examples, exercises, and practical coding challenges.

03

Build

Turn what you learn into practical programming skills that you can use in real projects.

user@zero-to-hero:~/course$ start --learning
// Your journey begins now...
✓ Course initialized
✓ Learning path ready
✓ Time to become a Code Hero

Ready to Level Up?

Start the course, keep practicing, and take your programming skills from zero to hero.

Course Syllabus

Explore the complete learning path and see exactly what you'll learn throughout this course.

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What You'll Learn

Follow the roadmap below and progress from the fundamentals to advanced concepts.

Java SE (Standard Edition) is a powerful programming platform used for building a wide range of applications, from simple desktop programs to complex enterprise systems. This course covers the fundamentals of Java programming, including object-oriented concepts, exception handling, collections, file I/O, and multithreading. Students will also learn how to use Java's rich API to create efficient, scalable applications. By the end of the course, you'll have the skills to develop robust applications and a solid understanding of core Java concepts.

Course Outline:

1. Introduction to Java

  1. Java Programming Language
  2. Installing Java
  3. First Program in Java
  4. First Program in IntelliJ IDEA
  5. First Program in NetBeans
  6. First Program in Eclipse

2. Basics of Java Programming

  1. Program Structure
  2. Variables and Constants
  3. Data Types
  4. Console Input/Output in Java
  5. Arithmetic Operations
  6. Bitwise Operations
  7. Conditional Expressions
  8. Assignment Operations and Operator Precedence
  9. Type Conversions
  10. Conditional Constructs
  11. Loops
  12. Arrays
  13. Methods
  14. Method Parameters
  15. Return Operator. Method Result
  16. Method Overloading
  17. Recursive Functions
  18. Introduction to Exception Handling

3. Classes and Object-Oriented Programming

  1. Classes and Objects
  2. Packages
  3. Access Modifiers and Encapsulation
  4. Static Members and the Static Modifier
  5. Objects as Method Parameters
  6. Inner and Nested Classes
  7. Inheritance
  8. Abstract Classes
  9. Inheritance Hierarchy and Type Casting
  10. Interfaces
  11. Interfaces in Callback Mechanism
  12. Enum Classes
  13. Object Class and Its Methods
  14. Generics
  15. Generics Restrictions
  16. Inheritance and Generics
  17. Reference Types and Object Cloning
  18. Records

4. Exception Handling

  1. Throws Operator
  2. Exception Classes
  3. Creating Custom Exception Classes

5. Collections

  1. Collection Types. Collection Interface
  2. ArrayList Class and List Interface
  3. Queues and ArrayDeque Class
  4. LinkedList Class
  5. Set Interface and HashSet Class
  6. SortedSet, NavigableSet, TreeSet
  7. Comparable and Comparator Interfaces. Sorting
  8. Map Interface and HashMap Class
  9. SortedMap and NavigableMap Interfaces. TreeMap Class
  10. Iterators

6. I/O Streams and File Handling

  1. Input/Output Streams
  2. Reading and Writing Files. FileInputStream and FileOutputStream
  3. Closing Streams
  4. ByteArrayInputStream and ByteArrayOutputStream Classes
  5. Buffered Streams: BufferedInputStream and BufferedOutputStream
  6. Formatted Output. PrintStream and PrintWriter
  7. DataOutputStream and DataInputStream Classes
  8. Reading and Writing Text Files
  9. Character Stream Buffering: BufferedReader and BufferedWriter
  10. Object Serialization
  11. File Class. Working with Files and Directories
  12. Working with ZIP Archives
  13. Console Class

7. Working with Strings

  1. Introduction to Strings. String Class
  2. Basic String Operations
  3. StringBuffer and StringBuilder
  4. Regular Expressions

8. Lambda Expressions

  1. Introduction to Lambda Expressions
  2. Lambdas as Method Parameters and Results
  3. Built-in Functional Interfaces

9. Multithreaded Programming

  1. Thread Class
  2. Creating and Running Threads
  3. Ending and Interrupting Threads
  4. Synchronizing Threads. Synchronized Operator
  5. Thread Interaction. wait and notify Methods
  6. Semaphores
  7. Thread Exchange. Exchanger Class
  8. Phaser Class
  9. Locks. ReentrantLock
  10. Conditions in Locks

10. Stream API

  1. Introduction to Stream API
  2. Creating Data Streams
  3. Filtering, Iterating, and Mapping Elements
  4. Sorting
  5. Slicing and Merging Streams
  6. skip and limit Methods
  7. Reduction Operations
  8. reduce Method
  9. Optional Type
  10. collect Method
  11. Grouping
  12. Parallel Streams
  13. Parallel Operations on Arrays

11. Modularity

  1. Creating a Module
  2. Dependent Modules
  3. Interactions Between Modules

12. Additional Classes

  1. Mathematical Calculations and Math Class
  2. BigInteger and BigDecimal
  3. Working with Dates. LocalDate

Why Enroll

Enroll in this Java SE course to gain a strong foundation in one of the most widely used programming languages. Java is essential for developing scalable applications, and this course will equip you with the skills to write efficient, object-oriented code, work with advanced Java features, and tackle real-world programming challenges. Whether you're starting your programming journey or looking to enhance your Java expertise, this course offers the perfect balance of theory and hands-on practice.

Learn. Practice. Build.

Work through each section, practice what you learn, and keep progressing toward becoming a Code Hero.

Interview Questions

1. What is the difference between `==` and `equals()` in Java?

2. What is the use of the `final` keyword in Java?

3. Explain the concept of inheritance in Java.

4. What is the difference between `ArrayList` and `LinkedList` in Java?

5. What is the difference between `String`, `StringBuilder`, and `StringBuffer` in Java?

6. What is the significance of `super` keyword in Java?

7. What are the different types of polymorphism in Java?

8. What is the purpose of `interface` in Java?

9. What is the difference between `ArrayList` and `Vector` in Java?

10. What is the `volatile` keyword used for in Java?

11. What is method overloading and method overriding in Java?

12. What is the difference between `checked` and `unchecked` exceptions in Java?





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