Oracle database setup location:

C:\ORACLE_21C_DATABASE\WINDOWS.X64_213000_db_home

Oracle Middleware and Forms location:

C:\ORACLE\MIDDLEWARE\ORACLE_HOME\bin

Environment Variables:

User Variables:
Path:
C:\Program Files\Java\jdk1.8.0_211
C:\PROGRAM FILES\JAVA\JRE1.8.0_211
C:\Program Files\Java\jdk1.8.0_211\jre\lib
C:\ORACLE\MIDDLEWARE\ORACLE_HOME\bin\frmbld.exe

System Variables:
 C:\ORACLE\MIDDLEWARE\ORACLE_HOME\forms\java
C:\ORACLE\MIDDLEWARE\ORACLE_HOME\forms\java\frmwebutil.jar
C:\ORACLE\MIDDLEWARE\ORACLE_HOME\forms\java\frmall.jar
C:\ORACLE\MIDDLEWARE\ORACLE_HOME\bin\frmbld.exe
C:\ORACLE\MIDDLEWARE\ORACLE_HOME\forms\templates\config\DEFAULT.ENV
C:\ORACLE\MIDDLEWARE\ORACLE_HOME\jlib\share.jar

Forms_Path
C:\ORACLE\MIDDLEWARE\ORACLE_HOME\forms\java\FRMALL.JAR
 

Java_home
C:\PROGRAM FILES\JAVA\JDK1.8.0_211

Path
C:\Program Files (x86)\Common Files\Oracle\Java\javapath
C:\ORACLE_21C_DATABASE\WINDOWS.X64_213000_db_home\bin
C:\ORACLE_21C_DATABASE\bin

TNS_ADMIN
C:\ORACEL21C_DATABASE\homes\OraDB21Home3\network\admin



*****************************************************

TNSNAMES.ORA FILE =

tnsnames.ora Network Configuration File: J:\ORACEL21C_DATABASE\homes\OraDB21Home3\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.

 ORCL =
    (DESCRIPTION =
 (ADDRESS = (PROTOCOL = TCP)(HOST = 192.193.1.234)(PORT = 1521)) 
 
  (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
    )
  )


 LISTENER_ORCL =
 
  (ADDRESS = (PROTOCOL = TCP)(HOST = 192.193.1.234)(PORT = 1521))
  
 
ORACLR_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
    (CONNECT_DATA =
      (SID = CLRExtProc)
      (PRESENTATION = RO)
    )
  )



LISTENER.ORA FILE = 
# listener.ora Network Configuration File: J:\ORACEL21C_DATABASE\homes\OraDB21Home3\NETWORK\ADMIN\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = CLRExtProc)
      (ORACLE_HOME = J:\ORACLE_21C_DATABASE\WINDOWS.X64_213000_db_home)
      (PROGRAM = extproc)
      (ENVS = "EXTPROC_DLLS=ONLY:J:\ORACLE_21C_DATABASE\WINDOWS.X64_213000_db_home\bin\oraclr.dll")
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
  (ADDRESS = (PROTOCOL = TCP)(HOST = 192.193.1.234)(PORT = 1521))
    
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
  )
*******************************************************************
SQLNET.ORA FILE = 

# sqlnet.ora Network Configuration File: J:\ORACEL21C_DATABASE\homes\OraDB21Home3\NETWORK\ADMIN\sqlnet.ora
# Generated by Oracle configuration tools.

# This file is actually generated by netca. But if customers choose to 
# install "Software Only", this file wont exist and without the native 
# authentication, they will not be able to connect to the database on NT.

SQLNET.AUTHENTICATION_SERVICES= (NTS)

NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)