Java super Keyword

Q1. What is super () and super keyword in Java?

Super() is a Java keyword used to call a superclass constructor. Super accesses superclass members and maintains inheritance hierarchies.

Q2. Which is the super class of Java?

The Object class aka super class is at the top of the class hierarchy in Java’s java.lang package. Every class, whether predefined or user-defined, is a subclass of the Object class.

Q3. Why is Super important in Java?

super is essential in Java as it facilitates the access, initialization, and management of relationships between superclasses and subclasses, thereby promoting code reusability.



Super Keyword in Java

The super keyword in Java is a reference variable that is used to refer to parent class when we’re working with objects. You need to know the basics of Inheritanceand Polymorphism to understand the Java super keyword. 

The Keyword “super” came into the picture with the concept of Inheritance. In this article, we gonna covers all about super in Java including definitions, examples, Uses, Syntax, and more.

Table of Content

  • Characteristics of Super Keyword in Java
  • Use of super keyword in Java
  • 1. Use of super with Variables
  • 2. Use of super with Methods
  • 3. Use of super with constructors
  • Advantages of Using Java Super Keyword

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Characteristics of Super Keyword in Java

In Java, super keyword is used to refer to the parent class of a subclass. Here are some of its key characteristics:...

Use of super keyword in Java

It is majorly used in the following contexts as mentioned below:...

1. Use of super with Variables

This scenario occurs when a derived class and base class have the same data members. In that case, there is a possibility of ambiguity r the JVM....

2. Use of super with Methods

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3. Use of super with constructors

This is used when we want to call the parent class method. So whenever a parent and child class have the same-named methods then to resolve ambiguity we use the super keyword....

Advantages of Using Java Super Keyword

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FAQs – Java super Keyword

The super keyword can also be used to access the parent class constructor. One more important thing is that ‘super’ can call both parametric as well as non-parametric constructors depending on the situation....