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Q: What is the use of Observable class?
    What is the use of Observable class? (a) It is used to create global subclasses (b) It is used ... , JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of these methods is used to notify observer the change in observed object?
    Which of these methods is used to notify observer the change in observed object? (a) update() (b) ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of these methods calls update() method?
    Which of these methods calls update() method? (a) notify() (b) observeObject() (c) updateObserver( ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of these methods is called when observed object has changed?
    Which of these methods is called when observed object has changed? (a) setChanged() (b) update() ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of these classes can schedule task for execution in future?
    Which of these classes can schedule task for execution in future? (a) Thread (b) Timer (c) System ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of these interfaces is implemented by TimerTask class?
    Which of these interfaces is implemented by TimerTask class? (a) Runnable (b) Thread (c) Observer (d ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of these keywords is used to define packages in Java?
    Which of these keywords is used to define packages in Java? (a) pkg (b) Pkg (c) package (d) ... , JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of this access specifies can be used for a class so that its members can be accessed by a different class in the same package?
    Which of this access specifies can be used for a class so that its members can be accessed by a ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of the following is the correct way of importing an entire package ‘pkg’?
    Which of the following is the correct way of importing an entire package pkg'? (a) import pkg. ( ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of the following is an incorrect statement about packages?
    Which of the following is an incorrect statement about packages? (a) Package defines a namespace in which ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of these keywords is used to define interfaces in Java?
    Which of these keywords is used to define interfaces in Java? (a) interface (b) Interface (c) ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of these can be used to fully abstract a class from its implementation?
    Which of these can be used to fully abstract a class from its implementation? (a) Objects (b) ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of these access specifiers can be used for an interface?
    Which of these access specifiers can be used for an interface? (a) Public (b) Protected (c) ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of these keywords is used by a class to use an interface defined previously?
    Which of these keywords is used by a class to use an interface defined previously? (a) import (b) ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of the following access specifiers can be used for an interface?
    Which of the following access specifiers can be used for an interface? (a) Protected (b) Private (c ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of the following is the correct way of implementing an interface A by class B?
    Which of the following is the correct way of implementing an interface A by class B? (a) class B ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: All methods must be implemented of an interface.
    All methods must be implemented of an interface. (a) True (b) False This question was addressed to ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: What type of variable can be defined in an interface?
    What type of variable can be defined in an interface? (a) public static (b) private final (c) ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: What does an interface contain?
    What does an interface contain? (a) Method definition (b) Method declaration (c) Method declaration and ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: What type of methods an interface contain by default?
    What type of methods an interface contain by default? (a) abstract (b) static (c) final (d) ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: What will happen if we provide concrete implementation of method in interface?
    What will happen if we provide concrete implementation of method in interface? (a) The concrete class ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: What happens when a constructor is defined for an interface?
    What happens when a constructor is defined for an interface? (a) Compilation failure (b) Runtime Exception ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of these package is used for graphical user interface?
    Which of these package is used for graphical user interface? (a) java.applet (b) java.awt (c) ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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Q: Which of this package is used for analyzing code during run-time?
    Which of this package is used for analyzing code during run-time? (a) java.applet (b) java.awt ( ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Oct 24, 2021 in Education by JackTerrance
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