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For the productivity software suite, see HotJava Views.
HotJava 3.0 under Windows XP.
Developer(s) Sun Microsystems[1]
Initial release 1.0, 1997[1]
Discontinued 3.0
Written in Java[1]
Available in English
Type web browser

HotJava (later called HotJava Browser to distinguish it from HotJava Views) was a modular, extensible web browser from Sun Microsystems implemented in Java. It was the first browser to support Java applets, and was Sun's demonstration platform for the then-new technology.[2] It has since been discontinued and is no longer supported. Furthermore, the Sun Download Center was taken down on July 31, 2011, and the download link on the official site points to a placeholder page saying so.[3]


In 1994, a team of Java developers started writing WebRunner, which was a clone of the internet browser Mosaic. It was based on the Java programming language. The name WebRunner was a tribute to the Blade Runner movie.[4]

WebRunner's first public demonstration was given by John Gage and James Gosling at the Technology Entertainment Design Conference in Monterey, California in 1995. Renamed HotJava, it was officially announced in May the same year at the SunWorld conference.

The parser code was reused by the standard Java libraries.[5]


HotJava had somewhat limited functionality compared to other browsers of its time.

More critically, HotJava suffered from the performance limitations of Java virtual machine implementations of the day (both in speed and in memory consumption) and was consequently quite slow.[6]

See also[edit]


  1. ^ a b c Rakitin, Jason (27 October 1997). "Review: Alternative Web browsers". Network World Fusion. Archived from the original on 5 October 2001. Retrieved 16 August 2010. 
  2. ^ Watson, Dave (21 July 2001). "A Quick Look at HotJava". The Southern California OS/2 User Group. Retrieved 16 August 2010. 
  3. ^ "Sun Download Center decommission". Oracle Corporation. Retrieved 29 August 2011. 
  4. ^ Byous, Jon (1998). "Java Technology: An Early History". Sun Microsystems. Retrieved 24 November 2010. 
  5. ^ HTMLEditorKit API documentation for Java 1.4.2 - "The default parser is the Hot Java parser".
  6. ^ Web performance tuning, Patrick Killelea, Edition 2, O'Reilly Books, 2002

External links[edit]