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wcpro's Introduction

wcPro项目介绍:
	wcPro有7个模块分别功能与接口如下:
		com.param:
			参数解析模块,向com.ui,com.in提供输入接口
		com.in:
			输入模块,向com.core提供获取单词的接口
		com.core:
			核心模块,通过com.in提供的单词,进行保存统计,排序,
			然后向com.out模块提供前100的单词
		com.out:
			输出模块,主要用于从com.core中获取数据然后输出
		com.ui:
			提供一个文件选择器的图形界面,向com.core提供输入文件
		com.util:
			工具模块,主要用于为整个项目提供一些工具方法
		start:
		      启动模块,用于集成其他模块。

小组分工:
	mzl(17056):com.core,com.in,start
	dgf(17063):com.out
	wjz(17051):com.param
	wyz(17042):com.util,com.ui
	
	
静态检查工具:p3c
    针对p3c检查出来的问题进行修改


性能优化:
    主要有以下几个地方
    1.改进排序算法
    2.改变文件的缓冲区大小
    3.减少文件读写操作
    4.散列表的初始空间大小
    5.设置jvm启动的堆内存大小
    
性能度量环境
1.文件1K,缓冲区一个字节 其他使用默认值 时间0.034
2.文件40M,原有的程序运行时间>1分钟
    改进后缓冲区4K,散列表512K,使用堆排序算法 写文件使用StringBuilder 一次写入 时间3.802s


wcpro's People

Contributors

muzhailong avatar

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