Java Character Set, Keywords, Identifiers & Data Types | Java Full Course | #3

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📚 Lecture 4: Java Language Basics | Character Set, Keywords, Identifiers & Data Types

In this lecture of the Java Full Stack Course 2026, we dive deep into the fundamentals of the Java Language. Learn how Java supports Unicode Character Sets, understand Java Keywords and Reserved Words, explore Identifier Rules, and master Primitive & User-Defined Data Types with practical examples.

🔥 Topics Covered:
✅ Java Character Set & Unicode Support
✅ Internationalization & Localization in Java
✅ Java Keywords and Reserved Words
✅ Identifiers and Naming Rules
✅ Valid & Invalid Identifiers
✅ Primitive Data Types (byte, short, int, long, float, double, char, boolean)
✅ Size, Range & Default Values of Data Types
✅ User-Defined Data Types
✅ Practical Coding Demonstrations
✅ Interview-Oriented Concepts

🎯 Perfect for:
• Beginners in Java Programming
• BCA, MCA, B.Tech, B.Sc Students
• Placement Preparation
• Full Stack Java Developers

📌 Previous Lecture:
JDK, JRE, JVM, JIT Compiler & First Java Program

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