https://developers.google.com/j2objc/javadoc/jre/reference/java/util/concurrent/RejectedExecutionHandler
RejectedExecutionHandler | J2ObjC | Google for Developers
googledevelopers
https://docs.oracle.com/javase/jp/6/api/java/util/concurrent/RejectedExecutionHandler.html
RejectedExecutionHandler (Java Platform SE 6)
java platformse