count.java

jsp+servlet+javabean实现的学校教务管理系统 (1)系统测试环境: Windows xp sp2 + myEclipse5.5 + Tomcat6.0 + SQLServer2

package com.sevenEleven.javaBean;

public class Count {
	private static long count = 0;

	public static long getOnline() {
		return count;
	}

	public static void raise() {
		count++;
	}

	public static void reduce() {
		count--;
	}
}