New Features in Java 7.0 – Part 1

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This article discusses the new features that are available in Java 7.0. Java 7.0 comes with bunch of new features – language level changes as well as API level changes and this article concentrates on the new API features such as Cache API, New Date and Time API and New IO 2 as well as […]

Ternary Operator in JSP 2.0 Expression Language(EL)

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A very common need in a JSP page is to include a piece of template text only if a certain condition is true. With JSP 1.2 and JSTL 1.1, this is typically done using a block, but that’s a very verbose solution. also read: Java EE Tutorials Servlets Interview Questions New Features in Servlets 3.0 […]

Annotations and Dependency Injection in EJB 3.0

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This Article presents two important new features of EJB 3.0 which is bundled with Java EE 5.0 specification, which are Annotations and Dependency Injection. The solid reason for this article is , it will give us an idea how these features are used, so on their encounter in other articles of EJB3.0, we can understand […]

Aspect Oriented Programming (AOP) in Spring 2.5

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This article publishes the book excerpt from the book Spring 2.5 Aspect Oriented Programming by Massimiliano Dessi.The following are the list of chapters in the book and brief description inside each chapters. If you are interested in receiving the future articles on book reviews and latest news on Java, please subscribe here. Chapter 1 introduces […]

Volatile keyword in Java

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This tips explains the use of volatile keyword in Java. The keyword volatile is used in the multithreaded environment. also read: Java Tutorials Java EE Tutorials Design Patterns Tutorials Java File IO Tutorials Local Variables in the Thread If you are working with the multithreaded programming, the volatile keyword will be more useful. When multiple […]

Working with arrays : java.util.Arrays class

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The java.util.Arrays class is basically a set of static methods that are all useful for working with arrays. The Arrays class contains various methods for manipulating arrays (such as sorting and searching). In addition to that, it has got many utility methods for using with arrays such as a method for viewing arrays as lists […]

How to use Enum in Switch?

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Enums introduced in Java 5.0 (Read: New features in Java 5.0) allows switching to be done based on the enums values. It is one of the greatest new features introduced from the version 5.0. Prior to Java 1.4, switch only worked with int, short, char, and byte values. However, since enums have a finite set of […]

Adding methods to an Enum

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Enums introduced in Java 5.0 are just compiled java classes with some extra behavior. So you can basically do whatever you can in a normal java class inside an enum as well. That includes adding methods , class level variables and constructors to an enum. Adding methods to an enum works just like adding methods […]

What is transient keyword in Java?

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This article explains about the transient variable and when it will be used in the Java programming. Another important fact is that, this question is most frequently asked in the Java interviews for checking the basic knowledge of a programmer. Another point is that this keyword is not frequently used by programmer in the normal […]

Ordering Queue Using Comparator Interface and PriorityQueue

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The basic use of Queue class is to provide a data structure which allows storing objects in a First in First out(FIFO) format. But sometimes one wants to maintain the ordering, based on some other metric. This is exactly the purpose of PriorityQueue, another Queue implementation. You provide it a Comparator, and it does the […]