J2SE Interview Questions and Answers. What is abstract? A Java keyword used in a class definition to specify that a class is not to be instantiated, but rather. 8 Jul j2se interview questions .. Answer of 15th question is false, please check and edit with appropriate answer. ReplyDelete. काव्य संग्रह. J2SE Interview Questions and Answers will teach you now that Java Platform, Standard Edition or Java SE is a widely used platform for programming in the Java.

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Top + J2SE Interview Questions – J2SE Interview Questions and Answers | Wisdom Jobs

A standard assignment of 7-bit numeric codes to characters. This means iterator will raise exceptions if cconcurrent update are made to the hash map. Iterator in the HashMap is fail-safe while the enumerator for the Hashtable isn’t. What Is Java Compatibility Kit jck? What Is Security Policy Domain?

Rise in Demand for Talent J2se interview questions and answers how to train middle managers This is how banks are wooing startups Nokia to cut thousands of jobs. A Java keyword used to resume program execution at the statement immediately following the current statement. A Java keyword used to define a variable of type short. A Java keyword used to execute a block of statements in the case that the test condition with the if keyword evaluates to false.

HashMap is non synchronized whereas Hashtable is synchronized. Impersonation is answerz case of simple delegation.

Java environment should be able to call this method without j2se interview questions and answers an instance of the classso this method must be declared as static. In networking, any functional unit in the same layer as another entity. See also class variable, instance inrerview, local variable. What Is Jini Technology? This is typical of methods which do some kind of generic calculation. In the Java programming language, constructors j2se interview questions and answers instance methods with the same name as their class.

A security policy domain has the following characteristics: The Java interpreter decodes and executes bytecode for the Java virtual machine1.


A Java keyword used in a class definition to specify that a class is not to be instantiated, but rather inherited by other classes. These components provide that subset of functionality which is common to all j2se interview questions and answers platforms.

The software environment in which programs compiled for the Java virtual machine1 can run. The conventions j2e beans to be easily combined to create an application using tools that understand the conventions.

J2SE Interview Questions & Answers

So ,Iterator is prefered to Enumarator. A Java keyword used to define a variable of type integer. Largely supplanted by the Project Swing component set. You define an entity once and cannot change it or derive from it later. What Is Java Media Framework? See also super class, subclass.

Each instance of a class has its own copy of the instance variables defined in the class. If the left operand is an object of a subclass of the named class, it still returns true, and if you write null instanceof Foo, you always get false.

Positional access requires linear-time in a LinkedList and constant-time in an ArrayList. Files on a file system that can be viewed read by any user.

The edition of the Java platform that is targeted at small, standalone or connectable consumer and embedded devices to enable development, deployment, and management of applications that can scale from smart cards through mobile devices and set-top boxes to conventional computing devices.

Protocols built on top of this add the notions of connection and reliability. A Java keyword used to create an instance of a class. A characteristic of an j2se interview questions and answers that determines j2sf the identifier can be used.

A distributed object model j2se interview questions and answers Java program to Java program, in which the methods of remote ansqers written in the Java programming j2se interview questions and answers can be invoked from other Java virtual machines1, possibly on different hosts. A compiler that converts all of the bytecode into native machine code just as a Java program is run.


Implementations that meet the compatibility requirements may qualify for Sun’s targeted compatibility brands. Each pixel is individually accessible. A Quetions server hosts Web sites, provides support for HTTP and other protocols, and executes server-side programs such as CGI scripts or servlets that perform certain functions. If you are expertise in Java programming language, then multiple job opportunities are available for your reference.

An ISO compliant application environment focused on smart cards. Answerss followed by a label, the program resumes execution at the labeled statement. What Is Instance Variable?

All source code in the Java programming environment answer written in Unicode. A group of types. A Java keyword ‘that’ can be used to represent an instance j2se interview questions and answers the class in which it appears.

In programs written in the Java programming language, octal numbers must be preceded with 0. A keyword in the Java programming language that indicates that a field is not part of the serialized form of an object. So, when you concatenate some value to a String, you are actually creating a fresh String object that is j2se interview questions and answers to hold some more data. It makes no guarantees about whether answer not the packet will be delivered, how long it will take, or if multiple packets will arrive in the order they were sent.

The Jini technology is currently an optional package available on all Java platform intwrview. The availability of Java 2 Platform, Micro Edition technology under a abswers license agreement that allows a licensee to leverage certain Java technologies to create and deploy a closed-box application that exposes no APIs.

The methods by which interactions with resources are limited to collections of users j2se interview questions and answers programs for the purpose of enforcing integrity, confidentiality, or availability constraints.