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Visual J++

Visual J++ is Microsoft's discontinued implementation of Java. Syntax, reserved words (keywords), and formal grammar conventions are the same as Java's. It was introduced in 1996 and discontinued in January 2004, replaced to a certain extent by J# and C#. The implementation, MSJVM, did not pass Sun Microsystems' compliance tests, leading to a lawsuit from Sun, Java's creator. Microsoft ceased such support for the MSJVM on December 31, 2007 (later Oracle bought Sun, and with it Java and its trademarks). Microsoft however, officially started distributing Java again in 2021 (though not bundled with Windows or its web browsers as before), i.e. their build of Oracle's OpenJDK, which Microsoft plans to support for at least six years, for LTS versions, i.e. to September 2027 for Java 17.

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Article summary

Visual J++ is Microsoft's discontinued implementation of Java. Syntax, reserved words (keywords), and formal grammar conventions are the same as Java's. It was introduced in 1996 and discontinued in January 2004, replaced to a certain extent by J# and C#. The implementation, MSJVM, did not pass Sun Microsystems' compliance tests, leading to a lawsuit from Sun, Java's creator. Microsoft ceased such support for the MSJVM on December 31, 2007 (later Oracle bought Sun, and with it Java and its trademarks). Microsoft however, officially started distributing Java again in 2021 (though not bundled with Windows or its web browsers as before), i.e. their build of Oracle's OpenJDK, which Microsoft plans to support for at least six years, for LTS versions, i.e. to September 2027 for Java 17.

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  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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