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Java super keyword
The super keyword in Java is used in subclasses to access superclass members (attributes, constructors and methods).
The super keyword in java is a reference variable that is used to refer parent class objects.
Remember that super can be used inside child class to refer the immediate parent class only.
Uses of super keyword
1. To call methods of the superclass that is overridden in the subclass.
2. To access attributes of the superclass if both superclass and subclass have attributes with the same name.
3. To explicitly call superclass’s constructor from the subclass constructor.

Access Overridden Methods of the superclass
To call the superclass version of overridden method in a child class, we call the method using the super keyword inside the child class.

Access Attributes of the Superclass
If child class have attribute with same name, then we can use super keyword in child class to access the super class attribute.

Call parent class constructor from child constructor
To explicitly call the base class constructor we use super keyword inside the child class constructor.


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