Best Performance Software Testing tools in Java

There are a number of tools available in the market that evaluates the performance of the Java based applications along with their load stress capability. These evaluation tools or testing tools, as they are called, guarantee that the performance of the application during peak traffic time as well as under extreme stress remains unperturbed and optimal. Let us discuss some of the best of these tools.

Applet In Java - How It Helps In Programming?

Java Applet, a snippet code, is created by using the Java bytecode. This program is written in Java programming language. The bytecode is a kind of a programming that is exclusively utilized for Java programming. Whilst the Applet can run on a web browser with the help of tools like JVM or Java Virtual Machine, standalone ones, like, the Sun Applet viewer can also be employed to test this application. Although the Java programming language is generally used to write the applets but other languages can also be used for the purpose, such as, Jython. Once the program is completely compiled, it can easily run on most of the web browsers across various operating systems. So whether you use a Mac, Windows, UNIX or Linux systems, the applets will run hassle free.

Hibernate in Java - What Should Developers Know?

As the name suggests, Hibernate Object-Relational Mapping or ORM is an object-relational mapping library that is used in Java. The library provides a framework that helps in mapping object-oriented models of domains. The main objective of Hibernate is to solve the object-oriented impedance issues through the process of replacing the direct persistence-related accesses of database with functions that are involved in high-end object handling.

The primary feature that Hibernate comes up with is a unique mapping ability from various classes that are used in Java to the database tables and the same from Java data types to the SQL data types. The library also provides a string of retrieval facilities as well as a high end data query that facilitates handling the backend features. It also generates SQL calls, while making the lives of the developers easier, by automating set handling as well as object conversion. Besides, applications that use Hibernate also support SQL database with hardly any performance overhead.

Why is Java preferred over .Net by enterprises?

The question of whether to prefer Java (J) over .Net has been disturbing the fraternity of developers for quite some time. While some say that it is better to vouch for .Net rather than opting for ‘J’, another school of thought says that it is preferable to use ‘J’ instead of opting for .Net. Let us discuss the reasons for which the enterprises nowadays like to prefer Java over .Net.

Open Source

The fact that Java is an open source language clearly implies that users will not need to pay any licensing fees to Oracle for developing any software using ‘J’. The language is easy, quick to learn and most importantly, complete with a number of value added features and functionality that meet today’s needs. On the other hand, the development of .Net is pretty time consuming as it is far more complicated than ‘J’. Moreover, .Net makes you shell out a substantial amount of money, albeit the presence of a string of free tools. Most importantly, .Net is often plagued by the presence of a number of features with limited functionality.

The advantage that the companies enjoy while using ‘J’ is that they are able to slash the cost of development by a considerable amount with the use of a specific framework for open source software development. Naturally, for the enterprises that are running on a shoestring budget ‘J’ is the best option to vouch for. Besides, since ‘J’ is an open source platform, it helps the developers in doing whatever they feel like and create software solutions as per their will, with the support of a number of development tools that are supported by ‘J’.

Java is platform independent
When it comes to developing cross platform software, ‘J’ is absolutely indomitable. The software systems programmed with the help of ‘J’ codes are executable and can be run across multiple platforms. This is because JVM implementations are cross platform and are compatible with all the major platforms.

When it comes to software development using .NET, Mono can be used for building applications that are compatible to all the major OS. However, what is missing in .NET that ‘J’ comes up with is the user-friendly approach. This is where ‘J’ scores over .NET. Frankly speaking, Java is indeed an ideal platform for software development that makes the entire development process much simpler as well as less cumbersome.

Active Community
The most important part if Java is that, the solutions are absolutely free of cost compared to Microsoft, which charges a hefty amount of money for each and every solution. Java, on the other hand regularly keeps on updating itself with new features, besides improving its functionality as well as effectiveness that comes in handy while creating Java platform. This implies that every software as well as applications can enjoy the advantage of the very latest state of the art technology, without any extra expenses whatsoever – a reason that is enough for the huge popularity of Java.

Safety and Security
Java is more popular because of the improved version of safety as well as security than any other programming language including .Net. Java comes up with certain features that include automatic null checking, verification of each and every byte before execution, run time checking of security along with a string of similar kind of features, which help the developers in building secured apps.

Besides all these, Java helps to infuse a tinge of intelligence in every aspect of our life by changing things that are around us or things that are indispensable parts of our modern life like various electrical or electronic devices, homes, appliances, cities, automobiles and other items that we use in our day to day life.

There are surely other programming languages that are quite useful and are regularly used, but when it comes to discussing about any matured software programming language, nothing can be as handy and as useful as ‘J’ and this is the reason enough that the language is more acceptable and adorable than any other programming language including .Net by the modern enterprises.

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Exploring the Evolution of JAVA and its Various Released Versions

Java, a programming language, received its due recognition and got very popular in the world of web application and software right from the time of its launch in the market. Even before the wave of change that hit the new millennium, the world looked up to Java for easy and smart solutions. The brainchild of James Gosling, Java was released by the Sun Microsystems in 1995. The programming language, featuring a kind of similar syntax to C sharp and C++, constitutes an object model that is less complicated and has reduced level facilities.

Initially referred to as Oak, the name was later changed to Java. Over the years, the language has released multiple versions making programming easier for the people in software. From the first steady version of JDK 1.0 to the latest version of Java 7, which is also referred to as Dolphin, it has evolved from being just a mere enterprise language. The dynamic language features a steady security system and secured configuration, thereby enabling a file access restriction.

Java application development : Exploring the Language

Java has only one set of syntax underlining the rules of writing the code. This particular set of guidelines have certainly evolved since the introduction of the language, but still gets along with the modern-day Java. However, remember that the standard set of Java libraries have also undergone some changes wherein, some parts have been completely removed in the upcoming versions.

While there is the existence of only one language, the implementations of the same are many. This precisely highlights the presence of different Java Virtual Machines (JVM’s) and different compilers. Such a range of varying implementation though conforms mostly to the Java standards often leads to having some kind of additional features and performance advantage as against others.

A Look into the Varied Java Editions – SE, EE, and ME

Java involves three ‘editions’, which strictly conforms to specifications and not the real implementations of the Java libraries and JVM. Here is a detailed look at the varying editions:

1. SE (Standard Edition), which is mostly used by the PC users, is the base of the libraries and JVM.

2. EE (Enterprise Edition) offers a similar kind of JVM as the SE, but offers an increased number of libraries enabling server-oriented programming.

3. ME (Micro Edition) is Java adapted for devices featuring constraint of resources i.e. low power, low memory. Examples of such devices include PDAs and mobile phones. Owing to their low memory and storage capacities, the devices usually cannot afford having all the libraries found in EE and SE.

A look at the Java Versions

Here is a glance at the released versions of Java right from its inception:

• Java 1.0 - The original release promised the feature of ‘Write Once, Run Anywhere’ (WORA). It offered run-time at no cost on popular platform and featured configurable security. The release enabled file-access and network restriction.
• Java 1.1 – The next release followed soon in 1997.
• Java 2 or J2SE 1.2 – Released in 1998, this new version featured multiple configuration designed for a range of platforms. This version introduced the development of SE (named as the standard edition for general PC users), EE (for enterprise applications), and ME (for mobile applications).
• J2SE 1.3 – The release that followed suit came in the year 2000 and was codenamed as Kestrel.
• J2SE 1.4 – Codenamed as Merlin, the next release from Java featured in the market in 2002.
• J2SE 5.0 – This particular version that was released in 2004 was codenamed Tiger and was referred to as J2ME 5.0, J2EE 5.0, and J2SE5.0.
• Java SE 6 – Released in 2006, the version was codenamed as Mustang and came loaded with multiple features like I/0 changes, collections framework enhancement, changes in zip and jar, JMX API enhancements, etc.
• Java SE 7 – The latest version codenamed Dolphin released in 2008 and has already witnessed around 25 updates enhancing its performance largely. The notable features of this version include support of JVM for dynamic languages, compressed pointers of 64-bit, small changes in language, new I/O library improving independence of the platform, improved support for library for network protocols and algorithms, etc.

Each single release of the Java programming language witnessed performance improvements and bug fixes for the JVM and development tools alongside the library refinement addition. Apart from these changes, Java 5 was the sole release to have added new features and characteristics to the language, which included annotations, enumerations, autoboxing, varargs, and generics.

The programming language makes use of the Java virtual machines, which practically offers it high portability that enables running of a program coded in Java in any computer featuring any kind of hardware configuration. Java monitors and organizes the memory using the automated garbage collector. Java has had a very successful run and has offered high rated performance from the time of its inception in the world of software.

Java can be practically termed as one of the most standard releases from Sun that reaches beyond being a specific software download line. It is truly one of the most popular implementation in the field of software and web applications. Today, Java is being widely used not just in computing devices, but also in e-commerce applications, mobile phones, and MP3 players.

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