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Quiz

Java Review

raquel.moyano92 10 Fragen

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Fragen in diesem Quiz (10)

  1. 11- What is the description that you think best defines the term 'class' in OOP ?
    1. AIt is similar to ' array' concept
    2. BIt is a model or template from which we create
    3. CIt is a particular variable
  2. 2What code would associate an interface in Java?
    1. A• Cp = new Component Component ( interface)
    2. B• Component cp = new Componente.interfaz
    3. C• public class implements Printable Component
  3. 3What elements do you think that define an object?
    1. AYour cardinality and type
    2. BHis attributes and methods
    3. CThe way he communicates and exchanges messages
  4. 4Which of the following code has to do with heredity ?
    1. Apublic class extends Component Product
    2. BComponent inherit public class Product
    3. Cpublic class implements Component Product
  5. 5What does instantiate a class ?
    1. ADuplicate a class
    2. BRemove a class
    3. CCreate an object from the class
  6. 6In Java, what do we mean when we talk about ' Swing '?
    1. AIs the nickname of JDK version 1.3
    2. BA specific framework for Android
    3. CA library for building GUIs
  7. 7What is Eclipse?
    1. AA Java library
    2. BAn IDE for developing applications
    3. CNone of the above
  8. 8What is Java bytecode ?
    1. AThe format we get after compiling a .java source
    2. BA variable
    3. CA code debugger
  9. 9What is overloading ( overload ) method ?
    1. ARename leaving him with the same functionality
    2. BCreate a method with the same name but different arguments
    3. CAdd functionality to a method
  10. 10What is an exception?
    1. AAn error throwing a method when something goes wrong
    2. BAn object can not be instantiated
    3. CA loop that does not end

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Beschreibung
The Java language is a derivative of the C language, so its syntax rules are much like C : for example, code blocks are modularized methods and are delimited by braces ({ and } ) and the variables are declared before being used. Structurally, the Java language begins with packages. A package is the namespace mechanism of Java language. Inside the packages are classes within classes and methods , variables , constants are , among others.
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