Category Archives: Java

Eclipse 插件 Properties Editor 安装地址

591 views April 1, 2010 by 老李

编辑properties文件用.

Update地址:

URL : http://propedit.sourceforge.jp/eclipse/updates/

更多说明: http://propedit.sourceforge.jp/howto_eclipseplugin_install_en.h

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为Eclipse指定JDK

295 views March 27, 2010 by 老李

菜鸟上路记.

image

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Java: 计算平均分, 标准差, 标准分

500 views January 27, 2010 by 老李

本类提供标准差,标准分计算的Utility.

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Java 保持小数点后若干位的操作

240 views January 26, 2010 by 老李

DecimalFormat df2 = new DecimalFormat("###.00");

or:

(double) (Math.round(sd3*100)/100.0);

 

09下高一期终语文-平均分
09下期终英语-平均分
09高一下期中考试-

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Java: Map遍历

518 views January 26, 2010 by 老李

// 2. 遍历map中所有的元素
Iterator iter = mapSheet.entrySet().iterator();
while(iter.hasNext()) {
Entry entry = iter.next();
int sheetIndex = entry.

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