J2SE Interview Preparation Guide
Elevate your J2SE interview readiness with our detailed compilation of 214 questions. Each question is crafted to challenge your understanding and proficiency in J2SE. Suitable for all skill levels, these questions are essential for effective preparation. Access the free PDF to get all 214 questions and give yourself the best chance of acing your J2SE interview. This resource is perfect for thorough preparation and confidence building.214 J2SE Questions and Answers:
1 :: What is Java API?
Application Programming Interface. The specification of how a programmer writing an application accesses the behavior and state of classes and objects.
2 :: What is applet?
A component that typically executes in a Web browser, but can execute in a variety of other applications or devices that support the applet programming model.
3 :: What is actual parameter list?
The arguments specified in a particular method call. See also formal parameter list.
4 :: What is ASCII?
American Standard Code for Information Interchange. A standard assignment of 7-bit numeric codes to characters. See also Unicode.
5 :: What is ACID?
The acronym for the four properties guaranteed by transactions: atomicity, consistency, isolation, and durability.
6 :: What is access control?
The methods by which interactions with resources are limited to collections of users or programs for the purpose of enforcing integrity, confidentiality, or availability constraints.
7 :: What is atomic?
Refers to an operation that is never interrupted or left in an incomplete state under any circumstance.
8 :: What is authentication?
The process by which an entity proves to another entity that it is acting on behalf of a specific identity.
9 :: What is autoboxing?
Automatic conversion between reference and primitive types.
10 :: What is abstract?
A Java keyword used in a class definition to specify that a class is not to be instantiated, but rather inherited by other classes. An abstract class can have abstract methods that are not implemented in the abstract class, but in subclasses.