Java Type Conversion & Type Casting Explained | Widening vs Narrowing Casting | Core Java | 2
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In this Core Java tutorial, you'll learn everything about Java Type Conversion and Type Casting with simple explanations and real-time examples.
📚 Topics Covered:
✅ What is Type Conversion?
✅ What is Type Casting?
✅ Difference Between Type Conversion & Type Casting
✅ Widening Casting (Implicit Conversion)
✅ Narrowing Casting (Explicit Conversion)
✅ Why Type Casting is Required?
✅ Data Loss During Type Casting
✅ Memory Size Comparison
✅ Real-Time Examples
✅ Interview Questions
Concepts Explained:
✔ byte → short → char → int → long → float → double
✔ double → float → long → int → char → short → byte
✔ Automatic Type Conversion
✔ Manual Type Casting
✔ Why long cannot be automatically converted to int
✔ Why float to int requires explicit casting
✔ Data loss during narrowing conversion
Real-Time Examples:
✔ Converting int to double
✔ Converting long to int
✔ Converting float to int
✔ Converting double to byte
This video is perfect for:
✔ Java Beginners
✔ Selenium Automation Testers
✔ Playwright Testers
✔ Cypress Testers
✔ API Automation Engineers
✔ QA Engineers
✔ Java Interview Preparation
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📌 Core Java Playlist:
✔ Java Introduction
✔ Java Data Types & Variables
✔ Type Conversion & Type Casting
✔ Operators
✔ Conditional Statements
✔ Loops
✔ Arrays
✔ Strings
✔ Methods
✔ OOP Concepts
✔ Collections
✔ Exception Handling
✔ Java 8 Features
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About QAWithSJ
I'm SJ, a Senior QA Software Engineer sharing practical knowledge on Core Java, Selenium, Playwright, Cypress, API Testing, GitHub, CI/CD, and Automation Frameworks.
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