DriverLoaded
Could Not Connect to Databasejava.sql.SQLException: [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified
    at sun.jdbc.odbc.JdbcOdbc.createSQLException(Unknown Source)
    at sun.jdbc.odbc.JdbcOdbc.standardError(Unknown Source)
    at sun.jdbc.odbc.JdbcOdbc.SQLDriverConnect(Unknown Source)
    at sun.jdbc.odbc.JdbcOdbcConnection.initialize(Unknown Source)
    at sun.jdbc.odbc.JdbcOdbcDriver.connect(Unknown Source)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at DBConnect.<init>(DBConnect.java:11)
    at DBConnect.main(DBConnect.java:21)

import java.sql.*;

public class DBConnect {

    public DBConnect() {
        try {
            Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
            System.out.println("DriverLoaded");
            String url = "jdbc:odbc:; DRIVER = Microsoft Access Driver (*.mdb, *.accdb); DBQ = DB.accdb";
            Connection con = DriverManager.getConnection(url);
            System.out.println("Connection Established Successfully");
        } catch(Exception e) {
            e.printStackTrace();
            System.out.println("Could Not Connect to Database");
        }
    }

    public static void main (String args[]) {
        DBConnect dbcon = new DBConnect();
    }
}

"jdbc:odbc:; DRIVER = Microsoft Access Driver (*.mdb, *.accdb); DBQ = DB.accdb"

File f = new File("\\***\***\****\***.accdb");

"jdbc:odbc:Driver={Microsoft Access Driver (*.mdb, *.accdb)};DBQ=" + f.getAbsolutePath();

import java.sql.*;

public class DBConnect {

    public DBConnect() {
        try {
            Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
            System.out.println("DriverLoaded");
            String url = "jdbc:odbc:instance";
            Connection con = DriverManager.getConnection(url);
            System.out.println("Connection Established Successfully");
        } catch(Exception e) {
            e.printStackTrace();
            System.out.println("Could Not Connect to Database");
        }
    }

    public static void main (String args[]) {
        DBConnect dbcon = new DBConnect();
    }
}