[Solved] Which of the following is the correct way to declare a template method in a class in Java? - Ans: public final void templateMethod() { step1(); step2(); } | LLD

LLD - Behavioral Design Patterns — Part 1

Which of the following is the correct way to declare a template method in a class in Java?

Apublic final void templateMethod() { step1(); step2(); }

Bpublic abstract void templateMethod() { step1(); step2(); }

Cprivate void templateMethod() { step1(); step2(); }

Dstatic void templateMethod() { step1(); step2(); }

Step-by-Step Solution

Solution:

Step 1: Understand template method declaration
Template method is usually final to prevent override and defines algorithm steps.
Step 2: Check options for final method with implementation
public final void templateMethod() { step1(); step2(); } declares a final method with steps; others are abstract, private, or static which are incorrect.
Final Answer:
public final void templateMethod() { step1(); step2(); } -> Option A
Quick Check:
Template method is final with implementation = public final void templateMethod() { step1(); step2(); } [OK]

Quick Trick: Template method is final to fix algorithm steps [OK]

Common Mistakes:

MISTAKES

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Which of the following is the correct way to declare a template method in a class in Java?