Java concepts and its programming MCQs

80 MCQs  — Computer Programming MCQs  (Page 4 of 8)

Attempt Java concepts and its programming Quiz
What is meaning of jar ?
A. Java array
B. Java architecture
C. Java archived
D. None of these
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Hot java is_______________?
A. Web browser
B. Java environment
C. System software
D. Ide
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In Java, the word true is ___________________?
A. A boolean literal
B. A java keyword
C. Same as value 0
D. Same as value 1
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Converting a primitive type data into its corresponding wrapper class object instance is called ________________?
A. Boxing
B. Wrapping
C. Autoboxing
D. Instantiation
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In java, gc() method is available in which package ?
A. Java.io package
B. Java.lang package
C. Java.awt package
D. Java.util package
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Which method can’t be overidden ?
A. Println
B. Final
C. Super
D. Static
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In Java byte, short, int and long all of these are ____________?
A. Signed
B. Unsigned
C. Both of the above
D. None of these
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Suspend thread can be revived by using ?
A. Yield() method
B. Suspend() method
C. Start() method
D. Resume() method
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Minimum threads in a program are________________?
A. 0
B. 1
C. 2
D. 3
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Which driver is called as thin-driver in JDBC ?
A. Type-1 driver
B. Type-2 driver
C. Type-3 driver
D. Type-4 driver
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Word of the Day
11 Jul
Envisage
contemplate or conceive of as a possibility or a desirable future event.
گمان کرنا، تصور کرنا، سوچنا

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