Hibernate @OneToMany Bidirectional Relationship

Hibernate @OneToMany Bidirectional Relationship

Since we've already learned about the unidirectional @ManyToOne relationship, we can now move on to talking about what a bidirectional relationship is like, when using Hibernate. The term "bidirectional" literally means "functioning in two directions", which is the concept that we will apply in our relationships between two Java objects. When we have a bidirectional relationship between objects, it means that we are able to access Object A from Object B, and Object B from Object A. We can apply this logic to our real world coding example that we saw in the last post. The example we will use is the relationship between an Employer and an Employee. Previously, we only defined a unidirectional relationship, so we could only access the Employer from the Employee object and not vice-versa. Now let's take a look at how to transform our existing unidirectional relationship into a bidirectional one.

Jaksot(112)

EP25 - JavaScript Data Types

EP25 - JavaScript Data Types

Checkout the show notes of today's episode via http://coderscampus.com/25 Also, I've started a brand new "lifetime membership" deal for Coders Campus, you can check out the details of this new offer v...

28 Heinä 201727min

EP23 - JavaScript Variables

EP23 - JavaScript Variables

Show notes for this episode are available via http://coderscampus.com/23 Also, don't forget about the sweet deal I have over at http://coderscampus.com/deal - you help support the show when you join o...

14 Heinä 201715min

EP22 - What's New in Spring 5 with John Thompson

EP22 - What's New in Spring 5 with John Thompson

You can sign up for early access to John's new course (plus a surprise bonus from me) via http://coderscampus.com/spring5

7 Heinä 201739min

Coders Campus EP21 - Dynamic Typing in JavaScript

Coders Campus EP21 - Dynamic Typing in JavaScript

Don't forget to check out this sweet deal on a Coders Campus via http://coderscampus.com/deal You'll get access to over 128 hours of video tutorial content that will teach you how to become a full-st...

29 Kesä 201721min

What is JavaScript?

What is JavaScript?

Don't forget to check out the special deal that we're putting on for our podcast listeners via http://coderscampus.com/deal

22 Kesä 201722min

EP68 - Subscribe to my new show called the "Coders Campus Podcast"

EP68 - Subscribe to my new show called the "Coders Campus Podcast"

You can subscribe to the new show via this link: http://coderscampus.com/itunes There will be no more episodes of the How to Program with Java podcast (this podcast), all new episodes will be shared...

1 Heinä 20162min

Episode 66 - Summer is here and something new is in the air

Episode 66 - Summer is here and something new is in the air

I'm happy to announce that dropping on July 1st, 2016 - a brand new podcast will be hitting the digital shelves! Although the How to Program with Java podcast will be coming to an end, I'll be launchi...

28 Kesä 20165min

EP65: HTML Design & Layout

EP65: HTML Design & Layout

Okay so you know how to add some styles and CSS to your webpage, that's a great start, but what about deciding where all your text should go? What if you wanted to setup your website so that you have...

1 Joulu 201447min

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