Insert the missing code in the following code fragment. This fragment is intended to initialize an instance variable.
Public class Motor
{
Private int motorSpeed;
) . .
Public Motor(int motorSpeed)
{
________
}
}
A) Motor.motorSpeed = motorSpeed;
B) motorSpeed = this.motorSpeed;
C) this.motorSpeed = motorSpeed;
D) The constructor parameter variable cannot have the same name as the instance variable.

Question

Quizplus · Accepted Answer

In the given constructor, we need to initialize the instance variable "motorSpeed" with the value of the parameter "motorSpeed". To do so, we use the "this" keyword to refer to the instance variable and assign the parameter value to it. Therefore, the correct code to insert in the constructor is "this.motorSpeed = motorSpeed;". Option A is incorrect because it tries to access the instance variable as a static variable, which is not allowed. Option B is incorrect because it assigns the value of the instance variable to the parameter, which is the opposite of what we want to do. Option D is not relevant to the given code fragment.

Insert the Missing Code in the Following Code Fragment