Java Utility program

The java utility program is used to Read from a properties file,make DB connections,read from a file and Write into a file.

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.*;
import java.io.*;

public class Utility {

 public static String dbUserName;

 public static String dbPassword;

 public static String dbDriver;

 public static String dbDriver;

 public static String IP;

 public static String sid;

 public static String port;

 public static void readProperties(String path) throws Exception

 {
  File f = new File(path);
  InputStream fin = new FileInputStream(f);
  Properties prop = new Properties();
  prop.load(fin);
  dbUserName = prop.getProperty("username");
  dbPassword = prop.getProperty("password");
  dbDriver = prop.getProperty("dbDriver");
  IP = prop.getProperty("IP");
  sid = prop.getProperty("sid");
  port = prop.getProperty("port");
 }

 public static boolean connectToDB() {

  if (con != null) {
   return true;
  }
  try {
   Connection con = null;
   Class.forName(driver);
   String connString = "jdbc:oracle:thin:@" + IP.trim() + ":"
     + port.trim() + ":" + sid.trim();
   System.out.println("Connecting to the Database.....");
   con = DriverManager.getConnection(connString, username, password);
   if (con == null) {
    System.out.println("Unable to get a connection");
    return false;
   } else {
    System.out.println("Connected to DB....");
    return true;
   }
  } catch (SQLException e) {
   System.out.println("Unable to get DB connection............");
  }
  return false;
 }


 public static String readFile(String Path) throws IOException {
  String currentLine = null;
  String fileString = "";

  FileReader fr = new FileReader(Path);
  BufferedReader br = new BufferedReader(fr);
  while ((currentLine = br.readLine()) != null) {
   fileString = fileString + currentLine;
  }
  br.close();
  fr.close();

  return fileString;

 }

 public static void writeFile(String path, String content) {
  try {
   char buffer[] = new char[content.length()];
   content.getChars(0, content.length(), buffer, 0);
   FileWriter fw = new FileWriter(path);
   for (int i = 0; i < buffer.length; i++) {
    fw.write(buffer[i]);
   }
   fw.close();
  } catch (IOException e) {
   e.printStackTrace();
  }
 }



}