src/jdk.scripting.nashorn.shell/share/classes/jdk/nashorn/tools/jjs/Main.java

*** 294,307 ****
                  e.printStackTrace(err);
              }
          }
      }
  
!     private static String JAVADOC_BASE = "https://docs.oracle.com/javase/9/docs/api/";
      private static void openBrowserForJavadoc(ScriptFunction browse, String relativeUrl) {
          try {
!             final URI uri = new URI(JAVADOC_BASE + relativeUrl);
              ScriptRuntime.apply(browse, null, uri);
          } catch (Exception ignored) {
          }
      }
  
--- 294,307 ----
                  e.printStackTrace(err);
              }
          }
      }
  
!     private static String JAVADOC_BASE = "https://docs.oracle.com/javase/%d/docs/api/";
      private static void openBrowserForJavadoc(ScriptFunction browse, String relativeUrl) {
          try {
!             final URI uri = new URI(String.format(JAVADOC_BASE, Runtime.version().major()) + relativeUrl);
              ScriptRuntime.apply(browse, null, uri);
          } catch (Exception ignored) {
          }
      }