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call dbms_java.set_output(5000);
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create or replace and compile java source named helloworld as
public     class   helloworld    {
         static    public    String Message(String name)    {
            return     " Hello,   "    +    name;
        }
}
--È»ºóÓú¯Êýµ÷ÓÃjava
create or replace function hello (name VARCHAR2 )   return    VARCHAR2
      as language java name
       ' Hello.Message (java.lang.String) return java.lang.String ' ;
      
--µ÷Óú¯Êý
select hello( ' world! ' ) from dual;
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