techpreparation-homepage

Home  Interview Questions  Certifications  Aptitude Questions  Tutorials  Placement Papers  Search  Resume  Soft Skills  Video  Forum  Blog

Android app on Google Play

Technical Interview Questions
Javascript Interview Questions
Oracle Interview Questions
J2EE Interview Questions
C++ Interview Questions
XML Interview Questions
EJB Interview Questions
JSP Interview Questions
                              .........More

Programming Source Codes
Java Source Codes
C Source Codes
                              .........More

Soft Skills
Communication Skills
Leadership Skills
                              .........More

 

 

  

J2SE Interview Questions and Answers


What is member ?
A field or method of a class. Unless specified otherwise, a member is not static.

What is method ?
A function defined in a class. See also instance method, class method. Unless specified otherwise, a method is not static.

What is multithreaded ?
Describes a program that is designed to have parts of its code execute concurrently. See also thread.

What is native ?
A Java keyword that is used in method declarations to specify that the method is not implemented in the same Java source file, but rather in another language.

What is new ?
A Java keyword used to create an instance of a class.

What is null ?
The null type has one value, the null reference, represented by the literal null, which is formed from ASCII characters. A null literal is always of the null type.

What is object ?
The principal building blocks of object-oriented programs. Each object is a programming unit consisting of data (instance variables) and functionality (instance methods). See also class.

What is object-oriented design ?
A software design method that models the characteristics of abstract or real objects using classes and objects.

What is octal What is object-oriented design ?
The numbering system using 8 as its base, using the numerals 0-7 as its digits. In programs written in the Java programming language, octal numbers must be preceded with 0. See also hexadecimal.

What is optional packages ?
The set or sets of APIs in a Java platform edition which are available with and may be supported in a compatible implementation. Over time, optional packages may become required in an edition as the marketplace requires them.

What is ORB ?
Object Request Broker. A library than enables CORBA objects to locate and communicate with one another.

What is OS principal ?
A principal native to the operating system on which the Java platform is executing.

What is OTS ?
Object Transaction Service. A definition of the interfaces that permit CORBA objects to participate in transactions.

What is overloading ?
Using one identifier to refer to multiple items in the same scope. In the Java programming language, you can overload methods but not variables or operators.

What is overriding ?
Providing a different implementation of a method in a subclass of the class that originally defined the method.

What is package ?
A group of types. Packages are declared with the package keyword.

What is peer ?
In networking, any functional unit in the same layer as another entity.

What is persistence ?
The protocol for transferring the state of a bean between its instance variables and an underlying database.

Page Numbers :   1       2        3        4       5       6        7       8       9       10       11      12       13       14       15

Have a Question ? post your questions here. It will be answered as soon as possible.

Check Java Interview Questions for more Java Interview Questions with answers

Check Structs Interview Questions for more Structs Interview Questions with answers