src/java.desktop/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java

*** 380,391 ****
          {
              final boolean resizable = isFrame ? ((Frame)target).isResizable() : (isDialog ? ((Dialog)target).isResizable() : false);
              styleBits = SET(styleBits, RESIZABLE, resizable);
              if (!resizable) {
                  styleBits = SET(styleBits, ZOOMABLE, false);
-             } else {
-                 setCanFullscreen(true);
              }
          }
  
          if (target.isAlwaysOnTop()) {
              styleBits = SET(styleBits, ALWAYS_ON_TOP, true);
--- 380,389 ----
*** 686,700 ****
--- 684,704 ----
                      int frameState = ((Frame)target).getExtendedState();
                      if ((frameState & Frame.ICONIFIED) != 0) {
                          // Treat all state bit masks with ICONIFIED bit as ICONIFIED state.
                          frameState = Frame.ICONIFIED;
                      }
+                     /* Frame should be always set property WINDOW_FULLSCREENABLE to true
+                         before showing except when the frame state is MAXIMIZED_BOTH
+                     **/    
+                     setCanFullscreen(true);
+                     
                      switch (frameState) {
                          case Frame.ICONIFIED:
                              execute(CWrapper.NSWindow::miniaturize);
                              break;
                          case Frame.MAXIMIZED_BOTH:
+                             setCanFullscreen(false);
                              maximize();
                              break;
                          default: // NORMAL
                              unmaximize(); // in case it was maximized, otherwise this is a no-op
                              break;