AJAX

• Getting Started with AJAX using Java

Android

• Android Hello World

Core Java

• JVM Shutdown Hook
• Externalizable vs Serializable
• serialVersionUID in Java Serialization
• Java Versions, Features and History
• Install Java in Linux (Ubuntu / Debian)
• Customize Default Serialization Protocol
• Object Construction in Serialization
• Install Java
• Java Binary
• Java String
• Java Hashtable
• Java Closures
• Java Array
• Java Double Brace Initialization
• Java (JVM) Memory Types
• Java Primitive
• Type Erasure
• Address of a Java Object
• Java’s toLowerCase() has got a surprise for you!
• Is Your Java Code Privileged?
• Serialize / De-Serialize Java Object From Database
• Bye bye GoDaddy
• Java Serialization
• Java Peer Class
• Java String Concatenation
• Formatting Decimal Numbers
• Java Number Format
• Java Overflow And Underflow
• Overloading vs Overriding
• Java Clone, Shallow Copy and Deep Copy
• Java null and NullPointerException
• Differentiate JVM JRE JDK JIT
• Java This
• Is javadoc comment a type of standard java comment?
• Check list for Internationalization (I18n)
• What is scoped memory and why java uses it?
• Java Static Import
• Java Variable
• Java Final Keyword
• Access Modifiers In Java
• Java Static
• Difference between static and non-static java inner class.
• Can a java subclass declare a private method available in its java superclass?
• Java Pass By Value and Pass By Reference.
• Can an unreachable Java object become reachable again?
• Java finalization
• Java garbage collection
• Does Java garbage collection guarantee that a program will not run out of memory?

Abstract and Interface

• Java Marker Interface
• Difference Between Interface and Abstract Class
• When can an object reference be cast to a Java interface reference?
• Java interface
• How can you invoke a defined method of an abstract class?
• What is an abstract class?
• What is an abstract method?

Java Collection

• Read Only Collections
• Difference between Vector and ArrayList in java?
• Session Tracking Methods

Java Exception

• What are the causes of exceptions in java?
• Checked vs Unchecked Exceptions
• When does the finally clause in java exception block never executes?

Design Patterns

• Bridge Design Pattern
• Facade Design Pattern
• Decorator Design Pattern
• Adapter Design Pattern
• Singleton Design Pattern
• Prototype Design Pattern
• Builder Design Pattern
• Abstract Factory Design Pattern
• Factory Method Design Pattern
• Introduction To Design Patterns

Java Gallery

• Wordle – Word Clouds

JSP

• How to pre-compile JSP?
• Scope of JSP Objects
• Difference between forward and sendRedirect
• JSP Comments
• JSP Implicit Objects
• Difference between JSP include directive and JSP include action
• Difference between _jspService() and other life cycle methods.
• JSP Life Cycle – explain.

Log4J

• Log4J Levels

News

• Its 1 Million now – Thank You
• Apache (ASF) Resigns from JCP Committee
• JAG is Now Unemployed!
• Now the SUN is Red
• javapapers.com Celebrates 400000 Pageviews
• Happy Birthday Apache
• What is EOSL?

oops

• Association, Aggregation, Composition, Abstraction, Generalization, Realization, Dependency

Servlet

• URI And URL Difference
• Session Life Cycle
• Servlet JSP Communication
• Session Tracking Methods
• What happens if you call destroy() from init() in java servlet?
• How to avoid IllegalStateException in java servlet?
• What is servlet mapping?
• Difference between HttpServlet and GenericServlet
• What is preinitialization of a java servlet?
• Difference between ServletConfig and ServletContext
• Difference between ServletRequest.getRequestDispatcher and ServletContext.getRequestDispatcher
• ServletRequest vs ServletResponse
• Why not declare a constructor in servlet?
• Servlet Life Cycle
• What is a filter?