Add a default method `java.io.Closeable::closeUnchecked` which is equivalent to `Closeable::close` except that it instead throws `java.io.UncheckedIOException`.
------------- Commit messages: - 8066869: Add Closeable::closeUnchecked that is the equivalent of close but throws UncheckedIOException Changes: https://git.openjdk.org/jdk/pull/14789/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14789&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8066869 Stats: 107 lines in 2 files changed: 103 ins; 0 del; 4 mod Patch: https://git.openjdk.org/jdk/pull/14789.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/14789/head:pull/14789 PR: https://git.openjdk.org/jdk/pull/14789
