src/java.compiler/share/classes/javax/tools/JavaCompiler.java

*** 303,312 ****
--- 303,313 ----
           * or diagnostics to be reported when the task is started.
           * @param moduleNames the names of the root modules
           * @throws IllegalArgumentException may be thrown for some
           *      invalid module names
           * @throws IllegalStateException if the task has started
+          * @since 9
           */
          void addModules(Iterable<String> moduleNames);
  
          /**
           * Sets processors (for annotation processing).  This will