Java ClassesLesson 36Free preview

Java super Keyword

This lesson is part of Java · All levels

Summary

The keyword super refers to the parent class (superclass) of the class where the code is written. Its functions include calling the parent constructor with super() and accessing the parent method that has already been overridden with super.method(). The super use clarifies the relationship between the derived class and its parent.

Key points

Super() calls the constructor superclass and must be at the beginning of the constructor child
Super.method() calls for a version of the method belonging to the superclass
Java adds super() automatically when not written by the programmer
Super differs from this: super refers to the parent, this refers to the object at present

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