src/jdk.jshell/share/classes/jdk/internal/jshell/tool/JShellToolBuilder.java

*** 227,247 ****
      }
  
      /**
       * Run an instance of the Java shell tool as configured by the other methods
       * in this interface.  This call is not destructive, more than one call of
!      * this method may be made from a configured builder.
       *
       * @param arguments the command-line arguments (including options), if any
       * @throws Exception an unexpected fatal exception
       */
      @Override
      public void run(String... arguments) throws Exception {
          rawTool().start(arguments);
      }
  
      /**
       * Persistence stored in Preferences.
       */
      private static class PreferencesStorage implements PersistentStorage {
  
          final Preferences p;
--- 227,262 ----
      }
  
      /**
       * Run an instance of the Java shell tool as configured by the other methods
       * in this interface.  This call is not destructive, more than one call of
!      * this method may be made from a configured builder. The  exit code from
!      * the Java shell tool is ignored.
       *
       * @param arguments the command-line arguments (including options), if any
       * @throws Exception an unexpected fatal exception
       */
      @Override
      public void run(String... arguments) throws Exception {
          rawTool().start(arguments);
      }
  
      /**
+      * Run an instance of the Java shell tool as configured by the other methods
+      * in this interface.  This call is not destructive, more than one call of
+      * this method may be made from a configured builder.
+      *
+      * @param arguments the command-line arguments (including options), if any
+      * @throws Exception an unexpected fatal exception
+      * @return the exit code
+      */
+     @Override
+     public int start(String... arguments) throws Exception {
+         return rawTool().start(arguments);
+     }
+ 
+     /**
       * Persistence stored in Preferences.
       */
      private static class PreferencesStorage implements PersistentStorage {
  
          final Preferences p;