va/javase/11/docs/api/java.base/java/util/concurrent/ExecutorService.html?is-external=true#submit(java.lang.Runnable)" title="class or interface in java.util.concurrent" class="externalLink">submit</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/concurrent/ExecutorService.html?is-external=true#submit(java.lang.Runnable,T)" title="class or interface in java.util.concurrent" class="externalLink">submit</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.b