VTU Java Lab Program 6: Abstract Class Shape, Circle & Triangle | Easy Java OOP Guide 2025

Master VTU Java Lab Program 6 with this clear and beginner-friendly explanation!
In this video, we implement an abstract class Shape with abstract methods calculateArea() and calculatePerimeter(), then create Circle and Triangle subclasses that override these methods using Java OOP concepts.

Perfect for VTU students, engineering exams, lab internals, and Java beginners wanting a clean and understandable object-oriented programming example.

🔍 What You’ll Learn:
✔ Abstract classes in Java
✔ Method overriding & OOP concepts
✔ Calculating area & perimeter for Circle and Triangle
✔ VTU Java Lab Program 6 full solution
✔ How to write clean Java code for exams

📚 Useful For:
– VTU 3rd sem Java lab program
– Lab viva preparation
– Java OOP revision
– Assignment and exam coding reference

Q6. Develop a JAVA program to create an abstract class Shape with abstract methods calculateArea() and calculatePerimeter(). Create subclasses Circle and Triangle that extend the Shape class and implement the respective methods to calculate the area and perimeter of each shape.

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