Computer Programming MCQs » Java concepts and its programming
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Java is a _______________language?
A. Moderate typed
B. Strogly typed
C. Weakly typed
D. None of these
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Which class cannot be subclassed (or extended) in java ?
A. Final class
B. Abstract class
C. Parent class
D. None of above
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Which statement is static and synchronized in JDBC API ?
A. Getconnection()
B. Executequery()
C. Preparecall()
D. Executeupdate()
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Inheritance means ?
A. Sub class create object of super class
B. Sub class extends base class
C. Sub class extends super class
D. All of the above
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Java intermediate code is known as_________________?
A. Byte code
B. First code
C. Mid code
D. None of above
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What is jdb_________________?
A. Java disassemble
B. Java interpreter
C. Java compiler
D. Java debugger
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In which we clone the object and their constituent parts_______________?
A. Deep cloning
B. Shallow cloning
C. Both of above
D. None of above
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Object which can store group of other objects is called___________________?
A. Package
B. Wrapper
C. Java object
D. Collection object
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Which of the following automatic type conversion will be possible ?
A. Byte to int
B. Short to int
C. Long to int
D. Int to long
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Which is the predefined package ?
A. Lang package
B. Util package
C. Io package
D. All of above
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Word of the Day
13 May
Virulent
(of a disease or poison) extremely severe or harmful in its effects.
زہریلا، تلخی، ہلاکت آفرینی

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