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 Room { Table table = new Table(); }
is a and has a relationship in java
class Apple extends Fruit { }
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