Inheritance In Java

OOP’S Concept Inheritance

• Can access the property of one class into another class.
• To achieve Inheritance In Java extends keyword is use in java

• Can Access only non-private properties of parent class into child class.
• There are total 5 types of inheritance in OOPs and from this only 3 are directly allowed in java.

• In Java one class can extend only one class at a time. (Once class can extends maximum one class)
• Constructors are not a part of inheritance (Constructor never inherits)
• Multiple and Hybrid inheritance is not supported in java directly, but it can be achieved by Interface.
• Multiple and Hybrid inheritance is not allowed in java due to ambiguity/confusion in accessing the same properties.
• After Inheritance IS-A relation applies between Parent and child class.

• Advantage of Inheritance
  1. Code reusability, extensibility.
  2. Inheritance is required to achieve runtime polymorphism.

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