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Computer Science Quiz: Writing Custom Classes

Chris Fraser 10 preguntas 5,0 (1 valoración)

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Preguntas del test (10)

  1. 1An object has...?
    1. AState and Behaviour.
    2. BActions and Classes.
    3. CMethods and Code.
  2. 2How many objects can a class have?
    1. A234
    2. B2
    3. CAs many as we want
    4. D100
  3. 3What type of declarations need to be made by a class?
    1. AState and Behavior
    2. BClass and Object
    3. CData and Method
  4. 4What is the toString method?
    1. AA method that makes two strings.
    2. BA method that combines two strings.
    3. CA method that prints a string representation of an object.
    4. DA method that returns a string representation of an object.
  5. 5What is a constructor?
    1. AA person who directs a choir or orchestra.
    2. BA person who builds buildings
    3. CA method used to set up an object upon its creation.
    4. DA method used to build a class.
  6. 6How is a constructor called and how is it named?
    1. AIt is called by java and is also named by java.
    2. BIt is called by a line of code and is named by the author.
    3. CIt is called by a line of code and shares the name of the class.
    4. DIt is called via "new" and shares the name of the class.
  7. 7A constructor can accept parameters if necessary.
    1. AVerdadero
    2. BFalso
  8. 8What is the scope of a variable?
    1. AWhat the variable can apply to.
    2. BHow many times the variable can be used.
    3. CThe region of the program that the variable can be used within.
    4. DThe accuracy of the variable.
  9. 9What is an instance variable?
    1. AA variable that only is used once.
    2. BA copy of a variable that is given to each object.
    3. CA variable that only applies to one instance (object).
    4. DA copy of a variable that applies to all objects in a program.
  10. 10A client should be aware of both the implementation details as well as the interface.
    1. AVerdadero
    2. BFalso

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Descripción
Test sobre Computer Science Quiz: Writing Custom Classes, creado por Chris Fraser el 06/11/2014.
Idioma
English
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Valoración
5,0 de 5 · 1 valoración
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