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CSE :: Javascript - CS

Javascript - CS - Sockets
Javascript - CS - Animation
Javascript - CS - Array and Function
Javascript - CS - Basic and Variables
Javascript - CS - Classes and Modules
Javascript - CS - Performance Measures
Javascript - CS - Caching and Debugging
Javascript - CS - Graphics and Rendering
Javascript - CS - Parsing, Benchmarking and Logging
Javascript - CS - Invocation and Performance Navigation
Javascript - CS - Server Side and Client Side Scripting
Javascript - CS - Document Object Model and Event Handling
  1. Rhino is originated by

    2. A.

     Microsoft
    B.

     Mozilla
    C.

     Apple
    D.

     None of the mentioned

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  2. Which of the following are global functions that are not part of core JavaScript?

    3. A.

     spawn(f);
    B.

     trim();
    C.

     exult();
    D.

     none of the mentioned

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  3. Which of the following reads the textual contents of a URL and returns as a string?

    4. A.

     spawn(f);
    B.

     load(filename,…);
    C.

     readFile(file);
    D.

     readUrl(url);

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  4. Which Rhino command quits Rhino environment?

    5. A.

     terminate()
    B.

     exit()
    C.

     quit()
    D.

     close()

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  5. Which is a useful way to try out small and simple Rhino programs and one-liners?

    6. A.

     Starting an interative shell
    B.

     Starting a one to one shell
    C.

     Creating a thread to do simple programs
    D.

     None of the mentioned

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  6. Which is a more formal way of importing packages and classes as JavaScript objects?

    7. A.

     import(java.util.*);
    B.

     importClass(java.util.*);
    C.

     import.Class(java.util.*);
    D.

     Class.import(java.util.*);

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  • Consider the following code snippet

    var f = new java.io.File("/tmp/test");
    var out = new java.io.FileWriter(f);
    out instanceof java.io.Reader

    What will be the output for the above code snippet?

    • A.

     Error
    B.

     True
    C.

     Exception
    D.

     False

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  • What does Rhino do when the getter and setter methods exist?

    • A.

     It becomes JavaScript properties
    B.

     Java classes are used to avoid them
    C.

     Java classes & JavaScript properties
    D.

     None of the mentioned

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  • The JavaScript classes can be instantiated using _____ operator?

    • A.

     create
    B.

     new
    C.

     instantiate
    D.

     create.new

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  • The new Java arrays can be created into a JavaScript programs using which of the following classes?

    • A.

     java.Array
    B.

     java.lang.*
    C.

     java.lang.Array
    D.

     java.lang.reflect.Array

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