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Java super method

What is the use of this () and super () statement in Java?

1 April 2022 Enpatika.com Genel

super keyword is used to access methods of the parent class while this is used to access methods of the current class . this is a reserved keyword in java i.e, we can’t use it as an identifier. this is used to refer current-class’s instance as well as static members.

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Can we have both this () and super () in the same constructor?

1 April 2022 Enpatika.com Genel

both this() and super() can not be used together in constructor . this() is used to call default constructor of same class.it should be first statement inside constructor.

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What is the use of super in constructor?

1 April 2022 Enpatika.com Genel

The super keyword is used to call the constructor of its parent class to access the parent’s properties and methods .

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What is the difference between method overloading and overriding?

1 April 2022 Enpatika.com Genel

In method overloading, methods must have the same name and different signatures. In method overriding, methods must have the same name and same signature .2 Şub 2022

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What is meant by method overriding?

1 April 2022 Enpatika.com Genel

Method overriding, in object-oriented programming, is a language feature that allows a subclass or child class to provide a specific implementation of a method that is already provided by one of its superclasses or parent classes .

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What is method overloading and example?

1 April 2022 Enpatika.com Genel

In Java, two or more methods may have the same name if they differ in parameters (different number of parameters, different types of parameters, or both) . These methods are called overloaded methods and this feature is called method overloading. For example: void func() { … }

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What do you mean by method overloading?

1 April 2022 Enpatika.com Genel

Two or more methods can have the same name inside the same class if they accept different arguments . This feature is known as method overloading. Method overloading is achieved by either: changing the number of arguments. or changing the data type of arguments.

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