1) In <install directory>/jdk1.5.0/demo/jfc/CodePointIM/README.html
   
   ...
  " run as applications. Before you can use an input method, you have to
   install it in the J2RE, ..."

   and

   "This input method requires J2RE 1.5 or higher."
    
   J2RE should be JRE.

2) In <install directory>/jdk1.5.0/demo/plugin/jfc/CodePointIM/README.html

   ...
  " run as applications. Before you can use an input method, you have to
   install it in the J2RE, ..."

   and

   "This input method requires J2RE 1.5 or higher."
    
   J2RE should be JRE.