What is composition in Java in Javatpoint?

The Composition is a way to design or implement the “has-a” relationship . Composition and Inheritance both are design techniques. The Inheritance is used to implement the “is-a” relationship. The “has-a” relationship is used to ensure the code reusability in our program.

The Composition is a way to design or implement the “has-a” relationship . Composition and Inheritance both are design techniques. The Inheritance is used to implement the “is-a” relationship. The “has-a” relationship is used to ensure the code reusability in our program.

An object of one class act as a Data member of another class. If a class has a reference of another class (also known as contained object, or entity reference), i.e. known as has-a relationship.

An object of one class act as a Data member of another class. If a class has a reference of another class (also known as contained object, or entity reference), i.e. known as has-a relationship.