FAQ: Java: Introduction to Classes - Classes: Constructors


This community-built FAQ covers the “Classes: Constructors” exercise from the lesson “Java: Introduction to Classes”.

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FAQs on the exercise Classes: Constructors

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In exercise 3/8, why does it display Store@6bc7c054
in the console after running the code?


Hi betarockstar, did u get the answer on your question?

I going to assume he did but, why does that show up?

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Please explain the difference between Constructors and Methods

Hi betarockstar69942 - Store refers to the name of the class and @6b7c045 refers to the memory.

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Can anyone tell me what instances mean? In a simplified way

Object − Objects have states and behaviors. Example: A dog has states - color, name, breed as well as behaviors – wagging the tail, barking, eating. An object is an instance of a class.


Kinda roundabout but this helped me get a better Idea of what it is

Hello everyone, I can’t understand why the string with the name of the class and the corresponding memory is printed.

This action is not specified in the program and also in the lesson…

Lastly is possible have the same result without this line?

Thank you!

What is the use of ‘new’ in this program?

I’m don’t quite understand why “I am inside the constructor method.” was printed out.
I believe I only created a new instance and did not ask anything to be printed out in Main.

When you create a ‘new’ instance of a class, the code inside the constructor method is executed. The constructor for the ‘Store’ class only has one line of code. That line prints the message you referred to. The exercise was only illustrating how the control flow is passed around inside a class. The next exercise will cover how constructor methods are typically used to create an instance of a class.

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Thanks for the reply! It’s starting to click.

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