Conexão Banco de Dados sql

import java.sql.*; 

public class Conexao   
{        
	
    private String driver;   
    private String url;   
    private String user;   
    private String password;   
    //-- CRIANDO CONEXAOES   
    public Connection connection;   
    public Connection connection1;   
       
    public Statement statement1;   
  
    private Conexao()   
    {   
        driver   = "com.microsoft.jdbc.sqlserver.SQLServerDriver"; 
        url      = "jdbc:microsoft:sqlserver://IP:1433;DatabaseName=Locadora";   
        user     = "";   
        password = "";   
    }   
       
    public static void main(String args[])   
    {   
        Conexao teste = new Conexao();           
  
        if (teste.conectaBD())   
        {   
            System.out.println("Conectou...");   
        }   
    }       
  
    private boolean conectaBD()   
    {   
        try  
        {               
            Class.forName(driver);   
  
            connection = DriverManager.getConnection(url, user, password);   
  
            connection1 = DriverManager.getConnection(url, user, password);   
            statement1 = connection1.createStatement();               
  
        }   
        catch(ClassNotFoundException exception)   
        {   
            System.out.println("Classe nao encontrada: " + exception);   
            return false;   
        }   
        catch(SQLException exception)   
        {   
            System.out.println("SQLException: " + exception);   
            return false;   
        }   
        return true;   
    }   
}

<?xml version="1.0" encoding="UTF-8"?>
<classpath>
	<classpathentry kind="src" path="src"/>
	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
	<classpathentry kind="lib" path="C:/Users/Yan/Desktop/Microsoft SQL Server JDBC Driver 3.0/sqljdbc_3.0/enu/sqljdbc4.jar"/>
	<classpathentry kind="output" path="bin"/>
</classpath>