What Is Inheritance? (The Java™ Tutorials > Learning the Java Language > Objec... - The Diigo Meta page

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  (The Java™ Tutorials > Learning the Java Language > Object-Oriented Programming Concepts)

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  • In the Java programming language, each class is allowed to have one direct superclass, and each  superclass has the potential for an unlimited number of subclasses:
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  • allows classes to inherit commonly used state and  behavior from other classes.
  • In this example, Bicycle now becomes the superclass
  • In the Java programming language, each class is allowed to have one direct superclass, and each  superclass has the potential for an unlimited number of subclasses:
  • In the Java programming language, each class is allowed to have one direct superclass, and each  superclass has the potential for an unlimited number of subclasses:
  • use the extends keyword
  • followed by the name of the class to inherit from

  •   The syntax for creating a subclass is simple. At the beginning of your class declaration, use the extends keyword, followed by the name of the class to inherit from:  

    class MountainBike extends Bicycle {       // new fields and methods defining a mountain bike would go here  } 
  • class MountainBike extends Bicycle {

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