Which of the following method signatures correctly overrides this method?

easy📝 Syntax Q3 of 15

Java - Polymorphism

protected Object process(String input)

Aprivate Object process(String input)

Bprotected String process(String input)

Cprotected Object process(String input)

Dprotected Object process(Object input)

Step-by-Step Solution

Solution:

Step 1: Check method name and parameters
The overriding method must have the exact same name and parameter list.
Step 2: Check return type
The return type must be the same or a subtype (covariant return allowed). Here, return type is Object, so it must be Object or subclass.
Step 3: Check access modifier
Access modifier can be the same or more accessible. 'protected' is allowed.
Final Answer:
protected Object process(String input) -> Option C
Quick Check:
Signature and access match exactly [OK]

Quick Trick: Exact signature and compatible return type required [OK]

Common Mistakes:

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