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♦ 6 JSON interview Q&A

Q1. What is JSON and how does it differ from an XML? A1. JSON (JavaScript Object Notation) is a lightweight, text-based, language-netral like XML, but less verbose than XML data exchange format. JSON is used in Web services to exchange data between client and server. … Read more ›...

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♦ 9 JNDI and LDAP interview Q&A

Q1. What is JNDI? And what are the typical uses within a JEE application? A1. JNDI stands for Java Naming and Directory Interface. It provides a generic interface to LDAP (Lightweight Directory Access Protocol) and other directory services like NDS (Novell Directory Service), … Read more ›...

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♦ JavaScript mistakes interview Q&A

Q1. What are the common JavaScript errors or bad practices that you have noticed? A1. 1) Not having proper namespaces and not using AMD (i.e. Asynchronous Model Definition) API to modularize the Java code for improved maintainability. … Read more ›...

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♦ JavaScript Vs Java interview Q&A

The client-side JavaScript based MVW (Model View Whatever) frameworks like AngularJS, Backbone, CanJS, Ember, etc have become mainstream and replacing server side Java based frameworks like JSF, Struts, Spring MVC. So, time to get a better handle on JavaScript and market yourself as a full stack Java developer.

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♦ 12 FAQ JDBC interview questions and answers

Q1. What are JDBC Statements? What are different types of statements? How can you create them? A1. A statement object is responsible for sending the SQL statements to the Database. Statement objects are created from the connection object and then executed. The types of statements are: Statement (regular statement as...

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♦ 16 FAQ JMS interview questions & answers

Q1. What types of messaging paradigms are provided by JMS? A1. Point-to-Point: provides a traditional queue based mechanism where the client application sends a message through a queue to typically one receiving client that receives messages sequentially. A JMS message queue is an administered object that represents the message destination...

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♦ 14+ SQL interview Questions & Answers

SQL interview Questions & Answers is a must for any developer as all non-trivial applications need to talk to a database with CRUD operations. Q3 is the most popular. Q1. Can you explain DDL statements in regards to SQL? A1. … Read more ›...

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♦ 4 JSF interview Q&A

Q1. What are the 6 key phases of JSF? What other frameworks would you use with JSF, and in which phases do they fit in? A1. JavaServer Faces (JSF) brings a new paradigm to developing Web-based applications in Java. However, it has a number of gaps in its out-of-the-box state....

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♦ 8 Java EE (aka JEE) Overview interview questions & answers

Q1. When a company requires Java EE experience, what are they really asking for? A1. Java EE (i.e. Enterprise Edition) is a collection of specifications for developing and deploying enterprise applications. In general, Java enterprise applications refer to applications written in Java & packaged as war or ear files and...

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♦ Client-side & Server side view technologies interview Q&As

Q1. What do you understand by client side and server side view technologies? A1. There are client side & server side view technologies available. Server side view technologies In server-side view technology the most of the page rendering happens on the server side. … Read more ›...

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01: ♦ 12 Web basics every Java web developer must know

Q1. HTTP is a stateless protocol, so how do you maintain state? How do you store user data between requests? A1. This is a commonly asked interview question. The “http protocol” is a stateless request/response based protocol. You can retain the state information between different page requests as follows: HTTP...

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03: ♦ 21+ Java Servlet interview questions & answers

Q1. What is a Servlet? Is a Servlet inherently multi-threaded? A1. A Servlet is a Java class that runs within a web container in an application server, servicing multiple client requests concurrently forwarded through the server and the web container. The web browser establishes a socket connection to the host...

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04: 7 JSP interview questions and answers

JSF or JavaScript based frameworks like angularjs, ember, etc are more popular than JSPs for web developemnt. Q1. What is a JSP? How does it differ from a Servlet? A1. JSP stands for Java Server Pages. JSP technology extends the Servlet technology, which means anything you can do with a...

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06: ♦ MVC0, MVC1, MVC2, MVP, MVVM, and MVW web design patterns Java examples

Q1. What’s wrong with Servlets? What is a JSP? What is it used for? What do you know about model 0 (aka MVC0), model 1 (aka MVC1) and model 2 (aka MVC2) patterns? In “model 2” architecture, if you set a request attribute in your JSP, … Read more ›...

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Q01-Q28: ♦ Top 50+ EE Java interview questions & answers

Q1. Can you describe the high level architecture of the application that you had worked on recently? or Can you give a 100 feet bird’s eye view of the application you were involved in as a developer or designer? A1. The focus is on judging your experience in Java/JEE. …...

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Q29-Q53: ♦ Top 50+ EE Java Interview Questions & Answers

This extends Q1 – Q28 EE Java interview Questions and Answers Q29. What are the different ways can you wire up your dependencies using Spring? A29. 3 different ways. You can combine all 3 ways. Using an XML based application context file as demonstrated here in STEP 4 . …...

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