Prevailing JDK coding practices use "@throws" rather than "@exception". Refactor existing imageio classes javadoc to use @throws
------------- Commit messages: - Fix - Fix - Fix Changes: https://git.openjdk.java.net/jdk/pull/7885/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7885&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8283437 Stats: 775 lines in 51 files changed: 0 ins; 0 del; 775 mod Patch: https://git.openjdk.java.net/jdk/pull/7885.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/7885/head:pull/7885 PR: https://git.openjdk.java.net/jdk/pull/7885