Compiler support for private interface methods.

Greetings, The javac compiler team is pleased announce the availability of compiler support for private methods in interfaces beginning with 9 b54 build of JDK. JBS: https://bugs.openjdk.java.net/browse/JDK-8071453, HG: http://hg.openjdk.java.net/jdk9/dev/langtools/rev/592d64800143 Binary distro: https://jdk9.java.net/download/ We invite you to start using feature and to notify us of any defects through the standard channels. Thanks! Srikanth