Roadmap

This structured, step-by-step roadmap will take you from installation to writing your own programs.

Day 1: Set Up Your Tools

Before writing code, you need an environment to run it

• Install the JDK: Download the latest Oracle Java Development Kit (JDK). JDK translates your code into a language your computer understands.
• Get an IDE: Download an Integrated Development Environment (IDE) to write your code. in include Microsoft VS Code with Java pack.

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Day 2: Learn Core Syntax

Start by learning how a basic program is structured. Every runnable Java program requires a primary entryway called the main method. Your initial checklist should include:

• Variables: Containers that hold data, like numbers or text.
• Data Representation: Bit, Byte, and HexDecimal usage.
• Data Types: Differences between integers (int), decimals (double), characters (char), and true/false statements (boolean).
• Control Flow: Using if/else conditions to make decisions.
• Loops: Using for, while loops to repeat tasks automatically.

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Day 3: Understand Object-Oriented Programming (OOP)

Java is fundamentally built on OOP. This means you organize your code into modular, reusable blocks. Master these four pillars:

• Classes & Objects: A class is a blueprint, and an object is the actual thing you build from it.
• Inheritance: Letting a new class adopt the properties of an existing class.
• Polymorphism: Allowing different classes to be treated as the same general type.
• Encapsulation: Hiding data inside a class to keep it safe from outside interference.

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Phase 4: Mini project

Build a Student Grade & Honor Roll Tracker

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Phase 5: Git and GitHub basics