Conexão java com o oracle - ERRO

public class ConnectionBean
{
    private final String JDBC_DRIVER = "oracle.jdbc.driver.OracleDriver"; //nome do Driver do banco de dados
    private final String DATABASE_URL = "jdbc:oracle:oci:@000.000.000.000:5560:teste"; //nome da URL do banco de dados
    private final String USUARIO="user"; //usuario para conexao com o banco de dados
    private final String SENHA="senha";   //senha para conexão com o banco de dados
    static private ConnectionBean instance= null;
    
    static synchronized public ConnectionBean getInstance() 
    {
        if (instance == null) {
            instance = new ConnectionBean();
        }
        return instance;
    }
    
    private ConnectionBean() 
    {
        try {
            Class.forName(this.JDBC_DRIVER);
        } catch(Exception e){System.out.println(e.getMessage());};
       
    }
   
    public synchronized void devolveConnection(Connection con) 
    {
        
        if (con != null) {
            try {
                if (!con.isClosed())
                    con.close();
            } catch (SQLException ex) {
                ex.printStackTrace();
                System.out.println("disparou");
            }
           // System.out.println("Devolveu!");
            notify();
        }
    }
    
    public synchronized Connection getConnection()
    {
        Connection conaux = null;
        try {
            conaux = DriverManager.getConnection(this.DATABASE_URL,this.USUARIO,this.SENHA);
        } catch(Exception e){System.out.println(e.getMessage());};
        
        if (conaux== null) {
            try {
                wait(5000);
            }
            catch (InterruptedException e) {};
            try {
                conaux = DriverManager.getConnection(this.DATABASE_URL,this.USUARIO,this.SENHA);
            } catch(Exception e){System.out.println(e.getMessage());};
        }
        
        return conaux;
    }
    
}

public class Main {
    
    /** Creates a new instance of Main */
    public Main() {
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws SQLException {
       ConnectionBean con = null;
       Connection conexao = con.getInstance().getConnection();
       
       ResultSet result=null;
       Statement statement = conexao.createStatement(); //cria um Statement para consulta
            
       String comandoSQL = "SELECT * FROM ajs_contatos";
       result = statement.executeQuery(comandoSQL); //consulta o banco de dados
            
       while(result.next()) 
       {
            System.out.println(result.getInt("id_contato") + result.getString("nome"));
       }
    }
 }

Exception in thread “main” java.lang.UnsatisfiedLinkError: no ocijdbc10 in java.library.path

at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1517)

at java.lang.Runtime.loadLibrary0(Runtime.java:788)

at java.lang.System.loadLibrary(System.java:834)

at oracle.jdbc.driver.T2CConnection$1.run(T2CConnection.java:3139)

at java.security.AccessController.doPrivileged(Native Method)

at oracle.jdbc.driver.T2CConnection.loadNativeLibrary(T2CConnection.java:3135)

at oracle.jdbc.driver.T2CConnection.logon(T2CConnection.java:221)

at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:439)

at oracle.jdbc.driver.T2CConnection.(T2CConnection.java:132)

at oracle.jdbc.driver.T2CDriverExtension.getConnection(T2CDriverExtension.java:78)

at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801)

at java.sql.DriverManager.getConnection(DriverManager.java:512)

at java.sql.DriverManager.getConnection(DriverManager.java:171)

at persistencia.ConnectionBean.getConnection(ConnectionBean.java:59)

at Main.Main.main(Main.java:30)

Java Result: 1