Computer Applications
Explain various types of inheritance.
Encapsulation & Inheritance in Java
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Answer
The various types of inheritance are as follows:
- Single Inheritance — When a class is derived from only one base class, it is known as single inheritance.
- Multiple Inheritance — When a sub class is inherited from multiple base classes, it is known as multiple inheritance.
- Hierarchical Inheritance — When many sub classes are inherited from a single base class, it is known as hierarchical inheritance.
- Hybrid Inheritance — When more than one type of inheritance forms are used together, it is known as hybrid inheritance.
- Multilevel Inheritance — When a sub class is inherited from a class that itself is being inherited from another class, it is known as multilevel inheritance.
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Declare a public class CoolClass.
- Write the header for a public member method CoolMethodA.
- Write the header for an integer member method CoolMethodB that should be accessible to the classes in the package but not to derived classes.
- Write the header for an integer member method CoolMethodC that should be accessible only to other methods of the class.
- Write the header for a character member method CoolMethodD that should be accessible to the classes in the package and any derived classes.