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Will Java 8 Adoption Rate Increase Amongst Developers?

Its design and programming features make Java one of the most popular computer programming languages. Despite being easy to learn and use, Java is platform independent, object oriented, multithreaded, robust and secure. Java also comes with networking capabilities to facilitate distributed computing. The developers can further write applications in Java SE 8 to avail a set of new features at the language as well as JVM level. Since its release in March 2014, the adoption rate of Java 8 is growing gradually among developers across the world. An increasing number of developers are switching to the most recent version of Java to avail several innovative features. Continue reading Will Java 8 Adoption Rate Increase Amongst Developers?

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.

Apache JMeter
This is an open source tool that is mainly developed for load evaluation and is essentially an application that is based on Java Platform. It is basically an instrument that is used for evaluating the performance. It is also designed to facilitate integration with the designated plan for assessment. The tool facilitates creation of functional test plans besides gauging the load capacity. It is designed to be loaded into a particular network or server so that it is possible to check its performance as well as evaluate its functionality under various conditions. Though originally designed for web application testing, its scope has substantially widened subsequently, opening up newer avenues of usage. It performs in Windows as well as Unix operation systems.

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NeoLoad
This is again a software that is essentially developed for analyzing as well as measuring a website performance. It also has the capacity to evaluate the end result along with the performance, while it also provides directives regarding the potential steps that can further be taken. All these help immensely when it comes to optimizing the performance of a Java based web application. The software also evaluates web application performance by enhancing the amount of traffic that visits the application, thereby increasing the load.

The tool comes in double version and is available in French and English and is compatible with OS like Solaris, Windows, and Linux.

LoadRunner
This is another product from HP, basically designed to measure performance of applications. It also helps to understand as well as determine the performance along with the outcome of a particular system during the time of actual load. One of the most amazing features of this tool is that it helps creating as well as handling a huge number of users simultaneously, helping to gather all the performance related information, and taking into account the infrastructure. LoadRunner technically speaking is a collection of various tools like Load Generator and Analysis, Controller, and VUS (Virtual User Generator). It runs on MS Windows and Linux Operating Systems.

Appvance
This is considered as the next generation platform for testing the performance of applications. Appvance or Appvance PerformanceCloud is regarded as one of the most successful broad-scale platform that is designed specifically for the enterprise clients. The platform is technically prepared for surfacing deep app as well as site issues and evaluation of performance during optimal load time. It also comes up with a unique designer functionality that facilitates test creation without the use of any codes along with playback that takes place on the actual browsers within the cloud through a uxAvatar technology.

The tool works on JMeter, Selenium, Dynatrace, Flash/Flex, Oracle Forms, and is capable of evaluating upto 1oM users simultaneously.

MockRunner
It is a lightweight framework that is basically used as an application for unit testing from within J2EE environment. It supports Struts actions as well as forms, filters, servlets, as well as tag classes. Besides, it also comes up with includes a JDBC as well as a framework that facilitates JMS testing. This framework for JDBC evaluation can be used as a standalone as well as combining with MockEJB, especially when it comes to testing applications that are based on Enterprise JavaBeans or (EJB).

DbUnit
This is a JUnit extension that can also be used with Ant. Besides, the tool can also be used for different projects that are basically database-driven.

In fact, this an excellent tool, especially when it comes to avoiding a string of issues emanating from the corruption of database by test cases, causing all the subsequent assessments to fail or worsen the damage that has already been done.

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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. Continue reading Applet In Java – How It Helps In Programming?

Java Strings – Few things that Java Programmer Should Know

A Java class that is very widely used is known as string. It is considered quite special since compared to a normal class it contains some unique, special characteristics. It consists of some characters in a sequence; through the class the object can be created. There are many concepts which can be carried on through this and are worth knowing by most Java programmers.

Creation of objects or instantiation- The object can be created in two different ways- through new keywords and through string literal. Through double quote a string literal can be created. With its creation each time, the constant pool is checked by JVM first. If the pool already has the string then it returns the pooled instance’s reference. If the pool does not contain it then a new object is instantiated which is then placed there. Memory efficiency is increased by this. Through keywords, the object is created in a straight-forward manner by JVM.

Continue reading Java Strings – Few things that Java Programmer Should Know