Polymorphism

Descrição

Small mindmap on polymorphism.
Nik Nguyen
Mapa Mental por Nik Nguyen, atualizado more than 1 year ago
Nik Nguyen
Criado por Nik Nguyen mais de 8 anos atrás
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Resumo de Recurso

Polymorphism
  1. is meant to make changes in the method definition of the derived classes, and have those changes apply to methods written in the base class
    1. Example:

      Anotações:

      • people[0] = new Undergraduate("Cotty, Manny", 4910, 1); people[1] = new Undergraduate("Kick, Anita", 9931, 2); people[2] = new Student("DeBanque, Robin", 8812); people[3] = new Undergraduate("Bugg, June", 9901, 4);    
      1. people[0] = new Undergraduate("Cotty, Manny", 4910, 1); people[1] = new Undergraduate("Kick, Anita", 9931, 2); people[2] = new Student("DeBanque, Robin", 8812); people[3] = new Undergraduate("Bugg, June", 9901, 4);
        1. Say we ran the writeOutput() method on each of these. Which writeOutput is used?
          1. The one in the class that was USED TO CREATE THE OBJECT.
            1. Not necessarily "person", but "Undergraduate" and "Student."
              1. THIS IS A FORM OF DYNAMIC BINDING!
        2. THERES A WHOLE PROJECT BASED ON EXAMPLES FOR POLYMORPHISM!

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