The object is created with “new” keyword ?
A. At Compile-time
B. At run-time
C. Depends on the code
D. None of these
Java concepts and its programming
Which method of java is invoked by JVM to reclaim the inaccessible memory location ?
Which method of java is invoked by JVM to reclaim the inaccessible memory location ?
A. reclaim() method
B. finalize() method
C. final() method
D. both b and c
After the compilation of the java source code, which file is created by the JVM ?
After the compilation of the java source code, which file is created by the JVM ?
A. .class
B. .doc
C. .java
D. .cdr
Which collection class associates values witch keys, and orders the keys according to their natural order ?
Which collection class associates values witch keys, and orders the keys according to their natural order ?
A. java.util.LinkedList
B. java.util.TreeMap
C. java.util.SortedSet
D. java.util.HashSet
Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class?
Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class?
A. abstract
B. static
C. volatile
D. final
Which driver is efficient and always preferable for using JDBC applications_____________?
Which driver is efficient and always preferable for using JDBC applications_____________?
A. Type-1 driver
B. Type-2 driver
C. Type-3 driver
D. Type-4 driver
Main method parameter has which type of data type___________________?
Main method parameter has which type of data type___________________?
A. int
B. char
C. string
D. double
Which command disassembles a class file_______________?
Which command disassembles a class file_______________?
A. javacmd
B. javaamd
C. javap
D. java
What do you mean by javap?
What do you mean by javap?
A. java compiler
B. java debugger
C. java Interpreter
D. java Disassemble
Which is the predefined package ?
Which is the predefined package ?
A. Lang package
B. util package
C. io package
D. All of above