[Solved] Find the problem in this code snippet:class Parent { final void display() { System.out.println("Parent"); } } class Child extends Parent { void display() { System.out.println("Child"); } } | Java

Java - Polymorphism

Find the problem in this code snippet:

class Parent { final void display() { System.out.println("Parent"); } } class Child extends Parent { void display() { System.out.println("Child"); } }

ANo problem, code compiles fine

BCannot override final method

CMethod signature mismatch

DMissing @Override annotation

Step-by-Step Solution

Solution:

Step 1: Identify final method in Parent class
display() is declared final, so it cannot be overridden.
Step 2: Check Child class method
Child tries to override display(), which causes a compile-time error.
Final Answer:
Cannot override final method -> Option B
Quick Check:
Final methods cannot be overridden [OK]

Quick Trick: Final methods cannot be overridden in subclasses [OK]

Common Mistakes:

Ignoring final keyword effect
Assuming @Override annotation is mandatory
Thinking method signature mismatch causes error here

Master "Polymorphism" in Java

9 interactive learning modes - each teaches the same concept differently

Learn Why Deep Visual Try Challenge Project Recall Time

More Java Quizzes

Find the problem in this code snippet:

Step 1: Identify final method in Parent class

Step 2: Check Child class method

Final Answer:

Quick Check:

Want More Practice?