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.Management Sciences
Category: Java concepts and its programming
Converting a primitive type data into its corresponding wrapper class object instance is called ________________?
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A. boxing
B. wrapping
C. autoboxing
D. instantiation
Automatic type conversion in Java takes place when________________?
A. Two type are compatible and size of destination type is equal of source type.
B. Two type are compatible and size of destination type is larger than source type.
C. Two type are compatible and size of destination type is shorter than source type.
D. All of the above
The class java.sql.Timestamp is associated with _____________?
A. java.util.Date
B. java.util.Time
C. java.sql.Time
D. None of above
Interfaces helps in which type of inheritance ?
A. Multiple inheritance
B. Multilevel inheritance
C. Hierarchical inheritance
D. None of above
The JDBC-ODBC bridge is_________________?
A. Singlethreaded
B. Multithreaded
C. Both of above
D. None of above
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
Which keyword is used while using interface________________?
A. throw
B. throws
C. extend
D. implements
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