Entire new APIs, such as Swing and Java2D, have been introduced, and many of the original JDK 1.0 classes and methods have been deprecated. In addition to the language changes, other changes have been made to the Java Class Library over the years, which has grown from a few hundred classes in JDK 1.0 to over three thousand in J2SE 5. This proposal took effect for all following versions, and is still the current release schedule. In September 2017, Mark Reinhold, chief Architect of the Java Platform, proposed to change the release train to 'one feature release every six months' rather than the then-current two-year schedule. The language is specified by the Java Language Specification (JLS) changes to the JLS are managed under JSR 901. 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 language has undergone several changes since JDK 1.0 as well as numerous additions of classes and packages to the standard library. Mac and Linux users can run the following command in the directory where the JAR file lives: java -jar drjava.This article is about the Java programming language. Windows users can simply double click the program and it will launch. Step Threeĭownload the DrJava IDE for Windows, Mac or Linux. Install the Java SE JDK on your operating system according to the manufacturers recommendations. Both 32- and 64-bit versions are available for nearly every platform. Visit Oracle to download the latest version of Java SE 8 JDK for your specific operating system. If it's Windows or Linux, is your operating system 32- or 64-bit?.Is your operating system Windows, Mac or Linux?.These have been updated to allow you to use JDK 8. Although you can still download it from Sourceforge, you cannot use JDK 8 with the Mac version. NOTE: () The Mac version of DrJava has been removed from this documentation.

NOTE: () The documentation has been updated to reflect the use of only Java JDK 8. This documentation is focused only on getting DrJava running, other documentation is available at the end of this post. DrJava is an integrated development environment (IDE) for writing, compiling and debugging programs in the Java programming language.

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