Java Relevance Query

 if
   windows of operating system
 then
   if
     (
       exists value "DisplayName" of keys
       whose
       (
         value "DisplayName" of it as string as lowercase contains "j2se runtime environment"
        OR
         value "DisplayName" of it as string as lowercase contains "runtimeenvironment"
        OR
         value "DisplayName" of it as string as lowercase starts with "java"
       )
       of key "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" of native registry
      AND
       exists value "DisplayVersion" of keys
       whose
       (
         value "DisplayName" of it as string as lowercase contains "j2se runtime environment"
        OR
         value "DisplayName" of it as string as lowercase contains "runtimeenvironment"
        OR
         value "DisplayName" of it as string as lowercase starts with "java"
       )
       of key "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" of native registry
     )
   then
     (
       values
       whose
       (
         name of it is "DisplayName"
       )
       of keys
       whose
       (
         value "DisplayName" of it as string as lowercase contains "j2se runtime environment"
        OR
         value "DisplayName" of it as string as lowercase contains "runtimeenvironment"
        OR
         value "DisplayName" of it as string as lowercase starts with "java"
       )
       of key "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" of native registry, values
       whose
       (
         name of it is "DisplayVersion"
       )
       of keys
       whose
       (
         value "DisplayName" of it as string as lowercase contains "j2se runtime environment"
        OR
         value "DisplayName" of it as string as lowercase contains "runtimeenvironment"
        OR
         value "DisplayName" of it as string as lowercase starts with "java"
       )
       of key "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" of native registry
     )
     as string
   else
     if
       windows of operating system
     then
       if
         (
           exists value "DisplayName" of keys
           whose
           (
             value "DisplayName" of it as string as lowercase contains "j2se runtime environment"
            OR
             value "DisplayName" of it as string as lowercase contains "runtimeenvironment"
            OR
             value "DisplayName" of it as string as lowercase starts with "java"
           )
           of key "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" of x32 registry
          AND
           exists value "DisplayVersion" of keys
           whose
           (
             value "DisplayName" of it as string as lowercase contains "j2se runtime environment"
            OR
             value "DisplayName" of it as string as lowercase contains "runtimeenvironment"
            OR
             value "DisplayName" of it as string as lowercase starts with "java"
           )
           of key "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" of x32 registry
         )
       then
         (
           values
           whose
           (
             name of it is "DisplayName"
           )
           of keys
           whose
           (
             value "DisplayName" of it as string as lowercase contains "j2se runtime environment"
            OR
             value "DisplayName" of it as string as lowercase contains "runtimeenvironment"
            OR
             value "DisplayName" of it as string as lowercase starts with "java"
           )
           of key "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" of x32 registry, values
           whose
           (
             name of it is "DisplayVersion"
           )
           of keys
           whose
           (
             value "DisplayName" of it as string as lowercase contains "j2se runtime environment"
            OR
             value "DisplayName" of it as string as lowercase contains "runtimeenvironment"
            OR
             value "DisplayName" of it as string as lowercase starts with "java"
           )
           of key "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" of x32 registry
         )
         as string
       else
         "Java Not Installed"
     else
       "Not Applicable"
 else
   "Not Applicable"