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
Cloudy Jakarta EE and MicroProfile: Microservices, Clouds and Beyond Jakarta EE / MicroProfile airhacks workshops at MUC airport, Winter Edition
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