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The Java language has undergone several changes since JDK 1.0 as well as numerous additions of classes and packages to the standard library.Since J2SE 1.4, the evolution of the Java language has been governed by the Java Community Process (JCP), which uses Java Specification Requests (JSRs) to propose and specify additions and changes to the Java platform.
The Java JRE is installed on a large number of computers. End users with an out-of-date version of JRE therefore are vulnerable to many known attacks. This led to the widely shared belief that Java is inherently insecure. [45] Since Java 1.7, Oracle's JRE for Windows includes automatic update functionality.
Microsoft's proprietary extensions to Java were used as evidence in the United States v.Microsoft Corp. antitrust civil actions. A Memorandum of the United States in Support of Motion for Preliminary Injunction in the case of United States of America vs. Microsoft claimed that Microsoft wanted to kill Java in the marketplace.
Since J2SE 1.4 Web Start comes as a default part of Java Runtime Environment ... the ability to automatically download and install a JRE in the case where the user ...
Apache Harmony – supports several architectures and systems. Discontinued November 2011. Apache License 2.0.; GCJ the GCC Java compiler, that compiles either to bytecode or to native machine code.
Java Quick Starter reduces application start-up time by preloading part of JRE data at OS startup on disk cache. [27] Parts of the platform needed to execute an application accessed from the web when JRE is not installed are now downloaded first. The full JRE is 12 MB, a typical Swing application only needs to download 4 MB to start.
Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. It is a general-purpose programming language intended to let programmers write once, run anywhere (), [16] meaning that compiled Java code can run on all platforms that support Java without the need to recompile. [17]
Although Java Runtime Environment is a part of Java platform, Java Runtime Environment should not be merged with Java platform. The reason is, Java platform is a general thing, but Java Runtime Environment is a SPECIFIC component, just as Java Development Kit. —The preceding unsigned comment was added by 158.182.1.38 (talk • contribs) .