JAVA JDBC Connection Oracle Test code

package com.ist.common.util;import java.sql.*;import javax.naming.context;import  Javax.naming.initialcontext;import javax.naming.namingexception;public class jdbcoracletest  {    //ORCL is the database name in the Oracle database, and localhost represents the Oracle database that connects to the native           //1521 is the port number of the connection          private static  string url= "JDBC:ORACLE:THIN:@192.168.99.98:1521:ORCL";         //system user name for landing Oracle database          private static  String user= "nms09";         //manager password for user name System           private static string password= "Nms09";         public static Connection conn;         public static preparedstatement ps;        public static  Resultset rs;        public static statement st  ;        //How to connect a database           public void getconnection () {             try {                 //initializing the driver package                   class.forname ("Oracle.jdbc.driver.OracleDriver");                 //assigning values to conn based on database connection characters, names, and Passwords                   conn=drivermanager.getconnection (url,  User, password);                              } catch  (exception e)  {                 // todo: handle  exception                  e.printstacktrace ();             }         }         // Test whether the connection to the Oracle database is successful           public static void  main (String[] args)  {         jdbcoracletest  basedao=new jdbcoracletest ();             basedao.getconnection ();  &nbsP;          if (conn==null) {                 SYSTEM.OUT.PRINTLN ("Connection to Oracle database failed! ");            }else{                 SYSTEM.OUT.PRINTLN ("Connection to Oracle database was successful! ");            }          }   }

JAVA JDBC Connection Oracle Test code