has a relationship in java
‘Has a ‘ relationship is also known as “composition or Aggregation”.
As in inheritance we have ‘extends’ keyword we don’t have any keyword to
implement ‘Has a’ relationship in java. The main advantage of ‘Has-A‘
relationship in java code reusability. For has a relationship we use new keyword
Ex: Car has an engine. We cannot say Car in an engine.is a and has a relationship in java
class Apple extends Fruit {
}is a and has a relationship in java
class Room {
Table table = new Table();
}Copyright © 2021 Codeinu
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