Sunday, 1 February 2015

J2SE Code Interview Questions, Answers for Freshers (Part2)

11. What is atomic ?
Refers to an operation that is never interrupted or left in an incomplete state under any circumstance.

12. What is authentication ?
The process by which an entity proves to another entity that it is acting on behalf of a specific identity.

13. What is autoboxing ?
Automatic conversion between reference and primitive types.

14. What is bean ?
A reusable software component that conforms to certain design and naming conventions. The conventions enable beans to be easily combined to create an application using tools that understand the conventions.

15. What is binary operator ?
An operator that has two arguments.

16. What is bitwise operator ?
An operator that manipulates the bits of one or more of its operands individually and in parallel. Examples include the binary logical operators (&, |, ^), the binary shift operators (<< , >>, >>> ) and the unary one's complement operator (~).

17. What is block ?
In the Java programming language, any code between matching braces. Example: { x = 1; }.

18. What is Boolean ?
Refers to an expression or variable that can have only a true or false value. The Java programming language provides the boolean type and the literal values true and false.

19. What is break ?
A Java keyword used to resume program execution at the statement immediately following the current statement. If followed by a label, the program resumes execution at the labeled statement.

20. What is bytecode ?
Machine-independent code generated by the Java compiler and executed by the Java interpreter.
More Questions & Answers :-
Part1  Part2  Part3  Part4  Part5  Part6

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