Java Variables & Data Types Explained | Type Casting| Explained with Examples (2025)

🚀 Welcome to Skill Sprinters!
In this beginner-friendly Java tutorial, we break down some of the most essential core concepts:

✅ What are Variables in Java and how they behave in memory
✅ Types of Variables – Local, Instance, Static
✅ Deep dive into Data Types (Primitive & Object/Reference Types)
✅ Understanding Literals and how Java interprets them
✅ Type Casting: Internal (widening) & External (narrowing) with real code examples
✅ Rules to define variables and avoid beginner errors

Whether you're just starting your Java journey or brushing up your basics, this video is packed with visual explanations, examples, and memory tips to boost your understanding.
timestamps:
00:00 introduction
00:30 What are variables?
01:00 type of variables
01:45 what is data type?
02:55 rules for variable declaration
03:30 what are literals?
04:00 what is type casting?
05:20 IDE code

🧠 Bonus quiz at the end – comment your answer and I might feature you in the next video!

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