Steps for Java to connect to an Oracle database

Importjava.sql.Connection;ImportJava.sql.DriverManager;Importjava.sql.SQLException;ImportOrg.apache.log4j.Logger; Public classTest1 {Private StaticLogger Logger=logger.getlogger (Test1.class. GetName ());  Public Static voidmain (String [] args) {Connection conn=NULL; //Load Driver        Try{class.forname ("Oracle.jdbc.OracleDriver"); } Catch(ClassNotFoundException e) {logger.error (e); }        //Establish a connection        Try{conn= Drivermanager.getconnection ("Jdbc:oracle:thin: @localhost: 1521:orcl", "java78", "java78"); System.out.println ("Establishing the connection is successful!" "); } Catch(SQLException e) {logger.error (e); }finally{            //Close Connection            if(conn!=NULL){                Try{conn.close (); } Catch(SQLException e) {logger.error (e); } System.out.println ("Close connection succeeded!" "); }        }    }}

Steps for Java to connect to an Oracle database