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12 FAQ JDBC interview Q&As

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...

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12 Web basics every Java web developer must know – Part 2

This extends 12 Web basics every Java web developer must know – Part 1 Q7. What do you understand by client side and server side templating? A7. The modern rich single page web applications built today harness the power of dynamically typed and interpreted languages like JavaScript for faster prototyping...

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16 FAQ JMS interview Q&As

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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4 JSF interview Q&As

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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4 more Java EE overview interview questions and answers

Q1. How does the new bean validation framework avoid duplication across multiple Java EE layers? A1. Developers often code the same validation logic in multiple layers of an application, which is time consuming and error-prone. At times they put the validation logic in their data model, … Read more ›...

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5 JMX and MBean interview questions & answers

Q1. What is a JMX? What are the key components of JMX? A1. JMX stands for Java Management Extensions (JMX), which is a technology to monitor and manage any Java applications are running in either a local or a remote Java Virtual Machine (JVM). … Read more ›...

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6 LDAP Interview Q&As

Q1. What is an LDAP server? And what is it used for in an enterprise environment? A1. LDAP stands for Lightweight Directory Access Protocol. This is an extensible open network protocol standard that provides access to distributed directory services. … Read more ›...

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8 JEE (i.e. Java EE) Overview interview Q&As

This is JEE from a 10,000 feet before diving into details of each technology.

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.

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8 JPA interview questions and answers

Q1. What is a JPA? What are its key components? A1. The process of mapping Java objects to database tables and vice versa is called “Object-relational mapping” (ORM). The Java Persistence API provides Java developers with an object/relational mapping (ORM) facility for managing relational data in Java applications. … Read...

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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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Client-side & Server side view technologies 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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Configuring JMS with Java Config for sending & receiving messages

Step 1: The bare-bone Spring Java configuration

Step 2: How to connect? Configuring the “ConnectionFactory”.

Step 3: What destination to use? Configure the destination. E.g. Topic

Step 4: The JMsTemplate that uses both the “ConnectionFactory” … Read more ›...

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Event Driven Programming in Java – Part 2

This extends the basic tutorial on event driven programming in Java. This tutorial covers JMX enabling the EventHub class vian MBeans and monitoring through JMX compliant tool like jconsole. Step 1: Define the interface with the methods that are intractable via the JMX compliant client like jconsole. … Read more...

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300+ Java Interview FAQs

Tutorials on Java & Big Data