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J2SE Interview Questions & Answers - Learning Mode
COOLINTERVIEW.COM J2EE INTERVIEW QUESTIONS J2SE INTERVIEW QUESTIONS QUESTIONS & ANSWERS - LEARNING MODE

J2SE Interview Questions & Answers - Learning Mode

Java SE (formerly J2SE) is the basic Java environment. In Java SE, you make all the "standards" programs with Java, using the API described here. You only need a JVM to use Java SE. Java EE (formerly J2EE) is the enterprise edition of Java. Java SE was known as Java 2 Platform, Standard Edition or J2SE from version 1.2 until version 1.5. The "SE" is used to distinguish the base platform from the Enterprise Edition (Java EE) and Micro Edition (Java ME) platforms. J2SE stands for Java 2 standard edition and is normally used for developing desktop applications. It usually contains core part of Java with GUI(AWT and swings).

Try J2SE Interview Questions & Answers - Exam Mode

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J2SE Interview Questions & Answers - Learning Mode
Try J2SE Interview Questions & Answers - Exam Mode
Question: What is break?

Answer: 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. Source: CoolInterview.com
Question: What is Java Media APIs ?


Answer: A set of APIs that support the integration of audio and video clips, 2D fonts, graphics, and images as well as 3D models and telephony. Source: CoolInterview.com
Question: What is ACID?

Answer: The acronym for the four properties guaranteed by transactions: atomicity, consistency, isolation, and durability. Source: CoolInterview.com
Question: What is Java Card API ?


Answer: An ISO 7816-4 compliant application environment focused on smart cards. Source: CoolInterview.com
Question: What is "abstract schema"?

Answer: The part of an entity bean's deployment descriptor that defines the bean's persistent fields and relationships. Source: CoolInterview.com
Question: What is interface ?


Answer: A Java keyword used to define a collection of method definitions and constant values. It can later be implemented by classes that define this interface with the "implements" keyword. Source: CoolInterview.com
Question: What is Java Remote Method Invocation (RMI) ?


Answer: A distributed object model for Java program to Java program, in which the methods of remote objects written in the Java programming language can be invoked from other Java virtual machines1, possibly on different hosts. Source: CoolInterview.com
Question: What is block?

Answer: In the Java programming language, any code between matching braces. Example: { x = 1; }. Source: CoolInterview.com
Question: What is abstract method?

Answer: A method that has no implementation. Source: CoolInterview.com
Question: What is Java 2 SDK, Standard Edition ?


Answer: The Software Development Kit (SDK) is development environment for building applications, applets, and components using the Java programming language. This SDK provides a reference implementation of the J2SE platform. Source: CoolInterview.com
Question: What is Java Naming and Directory Interface (JNDI) ?


Answer: A set of APIs that assists with the interfacing to multiple naming and directory services. Source: CoolInterview.com
Question: What is API ?

Answer: Application Programming Interface. The specification of how a programmer writing an application accesses the behavior and state of classes and objects. Source: CoolInterview.com
Question: What is Java Database Connectivity (JDBC) ?


Answer: An industry standard for database-independent connectivity between the Java platform and a wide range of databases. The JDBC provides a call-level API for SQL-based database access. Source: CoolInterview.com
Question: What is bean?

Answer: 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. Source: CoolInterview.com
Question: What is Java ?


Answer: A set of technologies for creating and safely running software programs in both stand-alone and networked environments. Source: CoolInterview.com
Question: What is J2SE?

Answer: J2SE consists of two components: Core Java and Desktop Java. Core Java provides back-end functionality, while Desktop Java provides GUI (Graphical User Interface) functionality.

J2SE contains both the J2SE Development Kit(JDK) and the Java Runtime Environment(JRE) Source: CoolInterview.com
Question: What is Java APIs for Integrated Networks (JAIN) ?


Answer: enables the rapid development of Next Generation telecom products and services on the Java platform. Source: CoolInterview.com
Question: What is conversational state ?


Answer: The field values of a session bean plus the transitive closure of the objects reachable from the bean's fields. The transitive closure of a bean is defined in terms of the serialization protocol for the Java programming language, that is, the fields that would be stored by serializing the bean instance Source: CoolInterview.com
Question: What is casting?

Answer: Explicit conversion from one data type to another. Source: CoolInterview.com
Question: What is interpreter ?


Answer: A module that alternately decodes and executes every statement in some body of code. The Java interpreter decodes and executes bytecode for the Java virtual machine1. See also compiler, runtime system. Source: CoolInterview.com

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Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal
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