Udemy - Core Java Hands-On - Build a Full CLI App With Me

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Free Download Udemy - Core Java Hands-On - Build a Full CLI App With Me
Published: 3/2025
Created by: Koushik Kothagal
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Level: Beginner | Genre: eLearning | Language: English | Duration: 14 Lectures ( 1h 30m ) | Size: 1.66 GB

Master Java code, data structures, file I/O, and real-time tracking in an interactive coding experience.
What you'll learn
Set up Java apps with Maven for robust project structures
Implement classes and enums to maintain clear, cohesive code
Handle CLI arguments and errors for a clean user experience
Design data structures to store tasks and categories effectively
Practice logging and debugging to optimize code reliability
Use file I/O and Java NIO for flexible, persistent data storage
Automate time tracking with start/stop logic and statuses
Refactor code for modularity, clarity, and maintainability
Manage tasks via HashMaps for efficient in-memory operations
Generate reports using Java's Duration class for time insights
Save and retrieve tasks with CSV, showcasing real-world data formats
Test and troubleshoot to master real project scenarios
Requirements
Familiarity with Java syntax and basic OOP concepts
Comfort using a code editor or IDE (e.g., IntelliJ, Eclipse)
Java Development Kit (JDK) installed on your system
Basic command-line navigation skills
Description
Are you ready to go beyond syntax drills and truly understand how real Java applications are crafted? In this hands-on course, you'll join me in building a fully functional command-line (CLI) Time Tracker app from the ground up. By coding alongside the instructor every step of the way, you'll see how to apply core Java concepts in a project that simulates a genuine workplace scenario.Throughout this course, you'll dive deep into essential Java skills such as handling user inputs via the command line, structuring classes and enums for clarity, and persisting data both in-memory and through file I/O. You'll learn how to manage tasks, set categories, and track time effectively by implementing start/stop logic-key features that mirror real-world application needs. We'll explore advanced data structures like HashMaps to store active tasks, and use Java's Duration class to calculate time spent. Along the way, you'll discover strategies for organizing code in a modular fashion, creating clean interfaces for your CLI commands, and employing best practices for error handling and logging.In addition to the core build, you'll gain experience refactoring your code for maintainability, turning scattered functionality into robust, reusable methods and utility classes. This approach ensures that not only will you complete a fully operational Time Tracker app, but you'll also develop the expertise to adapt your newfound skills for other Java projects. By the end of this course, you'll understand how to translate user Requirements into functional CLI features, manage data efficiently, and produce informative reports-giving you both the confidence and the technical knowledge to tackle real-world Java development challenges.Join us, and see how an interactive, end-to-end coding experience can rapidly elevate your Java proficiency!
Who this course is for
Aspiring Java developers who want a real project under their belt
Intermediate learners looking to solidify core Java and CLI skills
Anyone interested in hands-on, practical experience building a fully functioning app
Developers seeking to refine project structure, data management, and file I/O techniques
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