ejemplo de herencia en java

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Ejemplo 1: herencia en java

// super classclassAnimalvoideat()System.out.println("Animal is eating.");// subclassclassLionextendsAnimalpublicstaticvoidmain(String[] args)Lion obj =newLion();
      obj.eat();

Ejemplo 2: herencia en java

// Multilevel inheritance in javaclassAnimalvoideating()System.out.println("animal eating");classLionextendsAnimalvoidroar()System.out.println("lion roaring");publicclassCubextendsLionvoidborn()System.out.println("cub drinking milk");publicstaticvoidmain(String[] args)Animal obj1 =newAnimal();
      obj1.eating();Lion obj2 =newLion();
      obj2.eating();
      obj2.roar();Cub obj3 =newCub();
      obj3.eating();
      obj3.roar();
      obj3.born();

Ejemplo 3: herencia en java

// Hierarchical inheritance in javaclassAnimalvoideating()System.out.println("animal eating");classLionextendsAnimalvoidroar()System.out.println("lion roaring");publicclassDogextendsAnimalvoidbark()System.out.println("dog barking");publicstaticvoidmain(String[] args)Animal obj1 =newAnimal();
      obj1.eating();Lion obj2 =newLion();
      obj2.eating();
      obj2.roar();Dog obj3 =newDog();
      obj3.eating();
      obj3.bark();

Ejemplo 4: herencia en java

// Hybrid inheritance in javaclassApublicvoiddisplay()System.out.println("class A display method");interfaceBpublicvoidprint();interfaceCpublicvoidprint();publicclassHybridInheritanceDemoextendsAimplementsB,Cpublicvoidprint()System.out.println("implementing print method");publicvoidshow()System.out.println("show method of class HybridInheritanceDemo");publicstaticvoidmain(String[] args)HybridInheritanceDemo obj =newHybridInheritanceDemo();
      obj.show();
      obj.print();

Ejemplo 5: herencia en java

// single inheritance exampleimportjava.util.*;classAnimalvoideat()System.out.println("Animal is eating.");classLionextendsAnimalvoidroar()System.out.println("lion is roaring.");publicstaticvoidmain(String[] args)Lion obj =newLion();
      obj.eat();
      obj.roar();

Ejemplo 6: Herencia en Java

JavaInheritance(Subclass and Superclass)InJava, it is possible toinherit attributes and methods from one classtoanother.We group the "inheritance concept" into two categories:

subclass (child)- the class that inherits from another class
superclass (parent)- the class being inherited from
To inherit from a class, use the extends keyword.

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