Clases Abstractas, polimorfismo
Quiz
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Education
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University
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Practice Problem
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Medium
Marlina Sánchez
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una característica de un método abstracto :
Tiene cuerpo.
Termina con un punto y coma.
No pueden ser heredados.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Una clase abstracta puede contener métodos no-abstractos ?
Cierto
Falso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para definir una clase abstracta se coloca la palabra abstract
Antes de class
Después de class
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hacen funciones similares con objetos diferentes
Sobrecarga
Clases Abstractas
Polimorfismo
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para aplicar polimorfismo:
Creo objeto vacío y copio Círculo a Cuadrado.
Solo creo un objeto nuevo de la superclases y lo utilizo.
Creo un objeto vacío que hace referencia a la superclase y pueda apuntar a cualquiera de las subclases.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En Java la Interface puede simular herencia multiple:
Cierto
Falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una interfaz es una especie de plantilla para la construcción de clases.
¿Una clase puede implementar una o varias interfaces?
Cierto
Falso
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