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About Course
This beginner-to-intermediate level course is designed to help learners master the core concepts of Java programming and build real-world applications from scratch. Whether you’re an aspiring software developer, student, or tech enthusiast, this course guides you through the fundamentals of Java syntax, object-oriented programming, data handling, and backend development using industry-standard practices.
You’ll begin by installing the JDK and writing your first Java program, then progress through variables, control statements, loops, and methods. You’ll learn object-oriented programming (OOP) principles—encapsulation, inheritance, and polymorphism—while building robust and modular Java classes.
As you advance, you’ll explore interfaces, abstract classes, and the powerful Collections Framework for managing dynamic data structures. Later sections cover generics, exception handling, file operations using java.nio, and stream-based programming with Java’s Streams API. You’ll also interact with databases using JDBC and SQLite, enabling persistent data storage.
The course culminates in a hands-on capstone project: building a fully functional Inventory Management System with complete CRUD operations, form validation, and unit testing using JUnit 5. You’ll learn how to refactor your code, test its reliability, and present your final solution.
Benefits of the course
- Master Java Syntax and Structure
- Learn how to write clean, error-free Java code using variables, data types, operators, and control flow statements.
- Apply Object-Oriented Programming Concepts
- Understand and implement classes, objects, encapsulation, inheritance, polymorphism, and abstraction in real-world scenarios.
- Build Modular Programs Using Methods
- Write reusable, maintainable code using functions with parameters and return types.
- Manipulate Data with Arrays and Strings
- Store, access, and process collections of data using arrays and Java’s powerful string manipulation capabilities.
- Work with Collections and Generics
- Use ArrayLists, HashMaps, Sets, and other collection classes to manage dynamic datasets effectively and safely with generics.
- Handle Errors Gracefully with Exception Handling
- Build robust applications using try-catch blocks, finally statements, and custom exceptions to prevent crashes and handle unexpected inputs.
- Perform File I/O and Data Storage with java.nio
- Read from and write to files using Java’s file input/output libraries to build practical, real-world applications.
- Use JDBC to Connect Java with Databases
- Learn how to perform SQL operations (Create, Read, Update, Delete) using JDBC and integrate SQLite databases into your Java apps.
- Write and Run Unit Tests Using JUnit 5
- Ensure your code is reliable by writing test cases, executing assertions, and following test-driven development (TDD) principles.
- Complete a Real-World Capstone Project
- Apply everything you've learned to build and submit a fully functional Java-based application like an Inventory or Task Management System.
Course Content
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Installing the Java Development Kit (JDK)
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Understanding Java Syntax and Structure
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Declaring and Using Variables
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Using IDEs to Write and Run Java Code
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Writing Conditional Logic with if-else and switch
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Implementing Loops with for, while, and do-while
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Nesting and Combining Control Structures
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Common Pitfalls and Best Practices in Flow Control
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Defining and Calling Methods
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Understanding Parameters and Arguments
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Return Types and the void Keyword
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Method Overloading and Reusability
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Introduction to Arrays and Array Declaration
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Common Array Operations
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Working with Strings and String Methods
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StringBuilder and StringBuffer for Efficient Manipulation
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Understanding Classes and Objects
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Implementing Encapsulation in Java
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Constructors and Object Initialization
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Best Practices for Designing Java Classes
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Code Reuse through Hierarchies
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Method Overriding and Dynamic Binding
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Using super and Constructor Chaining
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Benefits of Polymorphism in Application Design
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Understanding Interfaces in Java
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Implementing Multiple Interfaces
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Abstract Classes and Partial Implementation
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Interface vs. Abstract: When to Use What
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Introduction to Java Collections
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Using Lists: ArrayList and LinkedList
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Using Sets and Maps: HashSet, HashMap
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Sorting, Searching, and Iterating Collections
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Understanding the Need for Generics
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Declaring Generic Classes and Methods
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Using Generics in Collections
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Bounded Types and Wildcards
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Java’s Exception Hierarchy
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Using try-catch-finally Blocks
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Throwing and Creating Custom Exceptions
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Using Assertions for Internal Validations
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Introduction to Java File Handling
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Reading and Writing Text Files with Files Class
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Managing File Paths and Directories with Path and Paths
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Exception Handling in File Operations
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Introduction to Functional Programming with Streams
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Creating and Using Streams
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Reducing and Aggregating Data with reduce() and collect()
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Stream Pipelines and Lazy Evaluation
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Introduction to JDBC Architecture
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Setting Up SQLite and Connecting from Java
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Performing SQL Operations from Java
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Closing Connections and Best Practices
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Introduction to Unit Testing and JUnit
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Writing Basic Test Cases with Annotations
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Using Assertions to Validate Behavior
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Structuring Test Suites and Test Classes
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Defining Project Scope and Objectives
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Designing Class Structures and Relationships
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Planning Persistence and CRUD Workflows
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Building a Timeline and Milestone Tracker
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Implementing Create and Read Functionality
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Updating and Deleting Records Updating and Deleting Records
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Connecting Java Methods to User Commands
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Testing and Refining CRUD Logic
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Establishing a Robust Database Layer
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Ensuring Persistent Data Storage
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Improving Performance with Prepared Statements
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Synchronizing In-Memory Data and Database State
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Validating User Input Before Database Operations
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Handling Exceptions and Failing Gracefully
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Designing a User-Friendly Error Messaging System
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Logging and Debugging Invalid Inputs
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Writing Unit Tests for Business Logic
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Mocking Database Responses (Introductory Level)
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Refactoring for Readability and Modularity
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Ensuring Regression Coverage
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Final Project Demo and Code Walkthrough
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Discussing Lessons Learned and Challenges Faced
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Reviewing Code with Instructor or Peers
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Planning the Next Steps in Java Mastery
Instructor
Skillfused is an emerging digital learning platform dedicated to empowering learners with industry-relevant IT skills. From beginner-friendly courses to advanced developer tracks, Skillfused offers hands-on, practical training across web development, mobile app development, data science, QA testing, and more. Each course is crafted by experienced professionals to ensure real-world application, job readiness, and learner success.
- Update:May 14, 2025
- Lectures80
- Skill LevelBeginner
- LanguageTelugu, English
- Course Duration: 80h
Your Instructors

Skillfused
Course Creator
Skillfused is an emerging digital learning platform dedicated to empowering learners with industry-relevant IT skills. From beginner-friendly courses to advanced developer tracks, Skillfused offers hands-on, practical training across web development, mobile app development, data science, QA testing, and more. Each course is crafted by experienced professionals to ensure real-world application, job readiness, and learner success.
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Requirements
- A laptop or desktop computer with Windows, macOS, or Linux
- Minimum 4 GB RAM (8 GB recommended for smoother experience)
- Stable internet connection for accessing course materials and videos
- Java Development Kit (JDK 17 or higher) installed
- IDE installed (recommended: IntelliJ IDEA, Eclipse, or VS Code)
- Basic familiarity with using a computer (copy/paste, install software)
- No prior coding experience required – course starts from absolute basics
- Complete all module quizzes and assignments for best results
- Practice coding regularly to strengthen concepts
- Submit the capstone project to receive a certificate of completion
Target Audience
- Beginners with no prior programming experience
- College students (BCA, BSc, B.Tech, MCA)
- Aspiring software developers
- Self-taught programmers looking for structured learning
- Career switchers entering the tech industry
- Freelancers wanting to build Java-based tools or apps
- Students preparing for placement or coding interviews
- Backend development aspirants
- Learners aiming for internships in Java-based roles
- Anyone wanting a strong foundation in Core Java
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