Class.forName("org.apache.derby.jdbc.EmbeddedDriver");

package com.ddg;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;


public class SQLConnect
{
    Connection Conn = null;
    String URL;
    String Username;
    String Password;

    public SQLConnect()
    {
        try
        {
            Class.forName("org.apache.derby.jdbc.EmbeddedDriver");
        }
        catch (ClassNotFoundException e)
        {
            System.out.println(e.toString());
        }
        URL = "jdbc:derby:*directory name*";

        System.out.println("Created SQL Connect");
    }

    public void CreateConnection()
    {
        try
        {
            Conn = DriverManager.getConnection(URL);
            System.out.println("Successfully Connected");
        }
        catch (SQLException e)
        {
            System.out.println(e.toString());
        }
    }

    public void CloseConnection()
    {
        try
        {
            this.Conn.close();
            System.out.println("Connection successfully closed");
        }
        catch (SQLException e)
        {
            System.out.println(e.toString());
        }
    }

    public static void main(String args[])
    {
        SQLConnect sql = new SQLConnect();
        sql.CreateConnection();
        sql.CloseConnection();
    }
}

jdbc:derby://<path>/<databasename>;create=true

java.lang.ClassNotFoundException: org.apache.derby.jdbc.EmbeddedDriver

org.apache.derby.jdbc.EmbeddedDriver

org.apache.derby.jdbc.ClientDriver

java.lang.ClassNotFoundException: org.apache.derby.jdbc.ClientDriver

org.apache.derby.jdbc.EmbeddedDriver
org.apache.derby.jdbc.ClientDriver

[JDK]db/lib/derby.jar (EmbeddedDriver)
[JDK]db/lib/derbyclient.jar (ClientDriver)

C:> set DERBY_HOME=c:Program FilesJavajdk1.8.0_60db
C:> set CLASSPATH=%DERBY_INSTALL%libderby.jar;%DERBY_INSTALL%libderbytools.jar;.
C:> cd %DERBY_INSTALL%bin
c:Program FilesJavajdk1.8.0_60dbbin> setEmbeddedCP.bat