Delete multiple users using checkbox

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Java

JSP

servlet

How do I actually go about deleting multiple users using checkboxes? I have a page whereby it shows all created users with a checkbox beside each row created base on the number of created users. For now, I am only able to delete one checkbox at a time.

I understand that for multiple deletion, i need to make use of String []. But my code only does grabs the first checkbox to delete.

My servlet code:

String []userID = request.getParameterValues("deleteUser");
				
				
				for(int i=0;i<userID.length;i++){
					int userId = Integer.parseInt(request.getParameter("deleteUser")); 
					User users = new User();
					users.setUserID(userId);
					DAOManager mgr = new DAOManager();
					mgr.deleteUsers(users);
					response.sendRedirect("reg.jsp");

DAO Code:

public boolean deleteUsers(User user)
	{
		String sql = "DELETE FROM user WHERE userID=?";
		try {
		
		Connection conn = getConnection();
		
		PreparedStatement ps = conn.prepareStatement(sql);
		
		ps.setInt(1, user.getUserID());
		
		ps.executeUpdate();
		return true;
		} catch (Exception e) {
		e.printStackTrace();
		return false;
		}
		}

JSP code:

	<%
DAOManager mgr = new DAOManager();
User[] users = mgr.getAllUsers();
for(int i = 0; i < users.length; i++)
 {
%>
										<tr>
												<td><input
													type="checkbox" name="deleteUser"
													value=<%=users[i].getUserID()%>></td>
												<td><%=users[i].getUserID()%></td>
												<td><%=users[i].getUserName()%></td>										</tr>
										
										<%
}
%>