Overriding the Object equals Method - Java Override Example - Comparing Objects - APPFICIAL

[@Egganopolis82]

This was super helpful for me. I was getting confused on how to implement an Override equals method from scratch and this just cleared up all of my questions. Thank you!

[@Appficial]

Glad it helped!

[@Appficial]

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[@asht7788]

Thank you, I wish professors explained it this simple.

[@Appficial]

Thanks I actually am a professor 👍

[@sebahalabi6239]

thank you so match (يسعدلي الشارب)

[@alexcondon1116]

Hi, I'm taking a java course at my University. This video has cleared things up quite a bit. I just have one question though, I am having trouble understanding why you would need to cast the object into a (Student)? What is the reason for this?

[@Appficial]

Hi, it's because the parameter is Object, and in order for java to know that the type of that object is Student, then you cast it to covert it to a Student object. This allows you to call Student methods

[@alexcondon1116]

​@@Appficial Thank you for the explanation. My professor has not gone over the Object keyword yet, so this cleared up a lot of confusion.

[@Appficial]

@@alexcondon1116 you're welcome. Don't forget to subscribe and tell your classmates about appficial 👍

[@jorge5208]

@@Appficial Couldn't we use in our if statement the operator instanceof, for example, in each if (or a bigger if in case we use && for each condition) can't we put obj instanceof Student?

[@Appficial]

@@jorge5208 yea that's another way to do it

[@sumonadas3640]

LOve your demonstration

[@Rockyzach88]

Just to make sure I'm not missing something. Since the StudentID field is private, don't you need a public getter to get it from the argument object instead of dotting it? However it works for you.
EDIT: Nevermind, it's because they share the same class. I was thinking that encapsulation worked cross object too but no.

[@Sandeep-od1uc]

thats because private is a class level.

[@medinasFamily]

great explanation and easy to follow.

[@Appficial]

Thanks Luis

[@SafeinKyroh]

Hi, how come in the if statement we used s.getName() [s.getName().equals(this.getName())] instead of just s.name [s.name.equals(this.name)]

[@Appficial]

If you are in the class where you declared name, then no need to call getName() since you have direct access to that variable

[@SafeinKyroh]

@@Appficial thank you!

[@28santagabo]

super helpful! thanks

[@supernovic99]

These videos are amazing!!! Thank you so much!

[@Appficial]

Thanks!

[@supernovic99]

@@Appficial I'm actually self studying for the APCSA exam. Inheritance was kind of hard and confusing(too theoretical) but your videos really align to the concepts I found hard. Have a great day!

[@Appficial]

@@supernovic99 good luck on the exam. Glad my videos help!

[@kassemdarawcha1476]

Thank yuo professoer

[@manpreetkaur5568]

Thanks a lot. Very helpful

[@challuri1]

how to find earlier class link

[@rejuyanahmed2947]

It was helpful. thank you sir.

[@leekbiel]

Thanks!!!!!

[@conforzo]

I thought we used to equals method just because we compare the content instead of the reference.

[@Appficial]

It compares content for String but for other objects it compares reference unless you override the method to compare content

[@aq6910]

your implementation is wrong if we pass a value which is not an instance of Student we get an error, same if we pass null.

[@Appficial]

If an equals method is in a Student class, then it's expected to only pass Student objects to it. Its bad programming to pass a nonstudent object to it, so my implementation is not wrong, but your method call is actually wrong.

[@WiiHack]

Danke
ANGRIFF

[@anupam5886]

Nin thika

[@mrpipiskin4]

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