Created the table example

src/examples/java/TableExample.java

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+import de.gnmyt.sqltoolkit.drivers.MySQLConnection;
+import de.gnmyt.sqltoolkit.storage.SQLTable;
+import de.gnmyt.sqltoolkit.types.SQLType;
+import de.gnmyt.sqltoolkit.types.TableField;
+
+public class TableExample {
+
+    private static MySQLConnection connection;
+
+    public static void main(String[] args) {
+
+        // First we need to connect to the mysql database
+        connection = new MySQLConnection("localhost", "root", "password", "database").connect();
+
+        // Then we can register our user table
+        connection.getTableFactory().register(new UserTable(connection));
+
+        // Now let's create some users
+        createUser("GNM", "germannewsmaker@gmail.com", "Mathias");
+
+        createUser("delete_me", "deleteme@example.com", "DeleteMe");
+
+        // Here we can get the email of our user before we delete him
+        String email = getUserMail("delete_me");
+
+        // Now we can delete this user
+        deleteUser("delete_me");
+    }
+
+    /**
+     * Creates a user in the user table
+     *
+     * @param username   The name of the user (nickname)
+     * @param email      The email of the user
+     * @param first_name The first name of the user
+     */
+    public static void createUser(String username, String email, String first_name) {
+        SQLTable userTable = connection.getTableFactory().getTable(UserTable.class);
+
+        userTable.insert()
+                .value("username", username)
+                .value("email", email)
+                .value("first_name", first_name)
+                .execute();
+    }
+
+    /**
+     * Deletes a user from the user table
+     *
+     * @param username The name of the user
+     */
+    public static void deleteUser(String username) {
+        SQLTable userTable = connection.getTableFactory().getTable(UserTable.class);
+
+        userTable.delete()
+                .where("username", username)
+                .execute();
+    }
+
+    /**
+     * Gets the email of the user
+     *
+     * @param username The name of the user
+     * @return the email of the user
+     */
+    public static String getUserMail(String username) {
+        SQLTable userTable = connection.getTableFactory().getTable(UserTable.class);
+
+        return userTable.select()
+                .where("username", username)
+                .getResult()
+                .getString("email");
+    }
+
+    public static class UserTable extends SQLTable {
+
+        public UserTable(MySQLConnection connection) {
+            super(connection);
+        }
+
+        @Override
+        protected String tableName() {
+            return "users";
+        }
+
+        @Override
+        protected void tableFields() {
+            string("username", 255, "");
+            custom(new TableField().setType(SQLType.STRING).setName("email").setLength(25).setDefaultValue("test@example.com"));
+            custom("password").type(SQLType.STRING).allowNull(true).length(80).add();
+            custom().name("first_name").add();
+        }
+
+    }
+
+}