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Review
This is official description
Java Development Kit 7 (JDK 7) is the next major release of the Java SE platform. Through the OpenJDK project, JDK 7 has been a highly collaborative effort between Sun and volunteers from the Java developer community.
Key Features:
JDK 7 introduces several key features to improve performance, usability, and security of the Java platform. A detailed list of these features appears on the OpenJDK site.
Based on the feedback from the developer community and Sun's customers, the JDK 7 features primarily focus on the following areas:
-Modularization: A large-scale effort to refactor, or break up, the Java SE platform into smaller, separate, interdependent modules. Individual modules can then be downloaded as required by the Java virtual machine and/or Java applications. This effectively shrinks the size of the runtime on the user's machine.
One benefit of modularization is that the platform is a smaller download, potentially improving start-up performance. Having a smaller memory footprint also enables significant performance improvements, especially for desktop applications. A smaller platform also means it can now fit on devices with less memory.
You can find more information about modularization on the OpenJDK site, on Mark Reinhold's blog , or on the Project Jigsaw site.
The following review written by one of the Software Informer contributors applies to version 6.0
Java Runtime Environment is a piece of software that acts like a plugin, it enables the execution of java applications (stand-alone ones) and also views java content embedded in web pages.
When we find a program that needs Java in order to work properly, we come across a diversity of names referring to the same software: Java Runtime Environment, Java Runtime, Runtime Environment, Runtime, JRE, Java Virtual Machine, Virtual Machine, Java VM, JVM, VM, or Java download.
The Java download includes the necessary files for the Java Virtual Machine (software that enables execution of java-based programs) and the web browser plugin (for Microsoft Internet Explorer, Mozilla Firefox, Opera, Safari and so on), which enables the user to visit web pages with java content.
Java is a worldwide, cross-platform technology that makes the portability of programs possible. That is, you can run a Java application without regarding the Operating System installed on the computer (Microsoft Windows, Linux, Macintosh...), and even different processor architectures (Intel, Mac, SPARC, PowerPC, even cell phones!...) |
- The application's portability is the major advantage of using Java. Java developers can develop applications that can run on almost every computer architecture, and even in cell phones, with minor changes in the development.
- Also, there are many development frameworks, in a very mature state, to aid Java developers to implement n-tier, carrier class solutions.
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- Software using Java needs more system resources, especially RAM.
- Moreover, the online method to download Java and install the JRE is difficult for slow connections.
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Reviewed by: Martín Palacio Pentucci Reviewer rating: Reviewed: 3 years ago
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