Java Basics Programming Roadmap

Step by step guide to becoming an Android developer.

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1 Introduction & Setup

Java, JVM, JDK, JRE
Environment Setup
'Hello, World!' Program

2 Basic Syntax & Variables

Program Structure
Variables and Constants
Primitive Data Types
Console Input/Output

3 Operators and Expressions

Arithmetic Operators
Comparison Operators
Logical Operators
Assignment Operators

4 Control Flow

switch Statements
for Loops
while and do-while Loops

5 Methods

Defining and Calling
Parameters and Return Values
Method Overloading
Variable Scope

6 Arrays and Strings

Single-Dimensional Arrays
Multi-Dimensional Arrays
String Class

7 Classes and Objects (Brief)

Intro to OOP
Creating a Simple Class
Creating Instances

8 Java Collections Framework (Basics)

ArrayList
HashMap

9 Exception Handling

try-catch Block
finally Block
Throwing Exceptions (throw)

10 Basic Input/Output (I/O)

Reading Files
Writing Files

11 Consolidation Mini-Project

Build an Application
Project Ideas

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