Composition with example program in Java
This video explains Composition in Java(Has-a Relationship)
Here are the chapters for this video on Composition in Java:
0:00 - Introduction to Code Reuse: Overview of encapsulation and the two main ways to reuse code: inheritance and composition.
0:28 - What is Composition?: Defining composition as a way to create 'has-a' relationships by including objects of other classes as members.
1:04 - Composition Example (Person & Address): Practical explanation of using an 'Address' class within a 'Person' class instead of duplicating properties.
1:41 - Composite vs. Component Classes: Explaining the roles of the composite class (managing the lifecycle) and the component class.
2:12 - Implementing the Composition: A walkthrough of adding the address object as an instance variable and initializing it via the constructor.
3:00 - Composition Demonstration: Writing and executing a demo class to show how to instantiate and access the combined objects.
4:36 - Summary: A final recap of how composition allows for more modular, complex object representations in Java.
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