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In multilevel inheritance a parent class is extended by child class and this child class is again extended by another class. Let us understand with help of a diagram: Above diagram shows an example of multilevel inheritance. Class B extends class A and class C extends class B. Let us look at the java code … Read more
This is most basic type of inheritance. In single level inheritance the child class is derived from its parent class only. We can see from above image that class B is being derived from class A. This scenario is called single level inheritance. Let us understand with help of Java code: Output In above code … Read more
Inheritance is the way through which a class acquires all the properties and members of other class. Inheritance represents the IS-A relationship. The class acquiring the properties is called child class and the class from which properties are acquired is called parent class. We make use of ‘extends‘ keyword for inheritance. With inheritance the child … Read more
Constructor chaining is the way through which a constructor make a call to another constructor. Constructor chaining can be done in 2 ways: Output In the above code we called Example2() constructor for object creation which in turn calls Example2(int age) constructor using this(29). Now inside Example2(int age) constructor a call is made to Example2(int … Read more