Adam Bien's Weblog
Java SE 8 Language (and VM) Specification with The Diff To Java SE 7
Recent (Java 8 through Java 5) Java language specifications are available for download: http://docs.oracle.com/javase/specs/.
Interestingly there is also a PDF document with highlighted diffs to Java SE 7: http://docs.oracle.com/javase/specs/jls/se8/jls8-diffs.pdf
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