Tag Archives: Java

Java Double: 四舍五入并设置小数点位数

基础啊基础, 基础牢了省多少时间啊….

Posted in Java | Tagged BigDecimal, DecimalFormat, Java | Leave a comment

菜鸟上路记.

Posted in Java | Tagged Eclipse, Java, JDK | Leave a comment

本类提供标准差,标准分计算的Utility.

Posted in Java | Tagged Java, 平均分, 标准分, 标准差 | Leave a comment

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-

Posted in Java | Tagged Java | Leave a comment

// 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.

Posted in Java | Tagged HashMap, Java, map | 1 Comment