Java MCQ Questions for Placement

Q.  Which JDBC type represents a "single precision" floating point number that supports seven digits of mantissa?

a. REAL
b. DOUBLE
c. FLOAT
d. INTEGER


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Default value of static variable is_____ .
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MCQs:  ________ are used to format the data display in CPP.
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MCQs:  Reusability of the code can be achieved in CPP through ______ .
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MCQs:  By default, members of the class are ____________ in nature.
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MCQs:  Which of the following is CPP style type-casting?
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MCQs:  If a program uses Inline Function, then the function is expanded inline at ___________.
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MCQs:  In CPP, the size of the character array should be one larger than the number of characters in the string.
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MCQs:  Which of the following is/are valid ways to allocate memory for an integer by dynamic memory allocation in CPP?
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MCQs:  Which of the following is the perfect set of operators that can’t be overloaded in CPP ?
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MCQs:  Static variable in a class is initialized when _____ .
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MCQs:  To perform File I/O operations, we must use _____________ header file.
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MCQs:  An exception is thrown using _____________ keyword in CPP.
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MCQs:  Which of the followings is/are not a manipulator/s ? 1. flush 2. base 3. ends 4. oct 5. bin 6. skipws
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MCQs:  If default constructor is not defined, then how the objects of the class will be created?
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MCQs:  Is it mandatory to invoke/call a constructor for creating an object?
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MCQs:  Members of the class can be declared with auto, extern or register storage classes.
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MCQs:  C structure differs from CPP class in regards that by default all the members of the structure are __________ in nature.
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MCQs:  Which of the following best defines the syntax for template function ?
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MCQs:  Generic pointers can be declared with__________ .
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MCQs:  Which of the followings are true about constructors? 1. A class can have more than one constructor. 2. They can be inherited. 3. Their address can be referred. 4. Constructors cannot be declared in protected section of the class. 5. Constructors cannot return values.
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