Which of the following is the correct syntax for a setter method for a private int variable named age?

easy📝 Syntax Q12 of 15

Java - Encapsulation

Which of the following is the correct syntax for a setter method for a private int variable named age?

Aprivate void setAge(int age) { age = this.age; }

Bpublic int setAge() { return age; }

Cpublic void setAge(int age) { this.age = age; }

Dpublic int getAge(int age) { this.age = age; }

Step-by-Step Solution

Solution:

Step 1: Identify setter method structure
A setter method is public, returns void, and takes a parameter to update the private variable.
Step 2: Check the parameter assignment
The method assigns the parameter value to the instance variable using this.age = age;.
Final Answer:
public void setAge(int age) { this.age = age; } -> Option C
Quick Check:
Setter syntax = public void setVar(Type var) { this.var = var; } [OK]

Quick Trick: Setter methods are void and assign parameter to this.variable [OK]

Common Mistakes:

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