master
8380218: Refactor test/jdk/java/nio/charset TestNG tests to JUnit
8381015: CharsetEncoder.canEncode(CharSequence) is slow for UTF-8, UTF-16, UTF-32
8355445: [java.nio] Use @requires tag instead of exiting based on "os.name" property value
8310683: Refactor StandardCharset/standard.java to use JUnit
8237589: Fix copyright header formatting