Connection con = null;
    String url = "jdbc:mysql://localhost:3306/";
    String db = "leavedatabase";
    String driver = "com.mysql.jdbc.Driver";
    String user = "root";
    String pass = "";
    try{
      Class.forName(driver);
      con = DriverManager.getConnection(url+db, user, pass);
      Statement st = con.createStatement();
      ResultSet res = st.executeQuery("SELECT * FROM  employee");
      while (res.next()) {
        String employeeName = res.getString("name");
        System.out.println(employeeName);
      }
      con.close();