longflang的博客

java.math.BigDecimal。BigDecimal一共有4个够造方法： 第一种：BigDecimal(double val)Translates a double into a BigDecimal. 第二种：BigDecimal(String val)Translates the String repre sentation of a BigDecimal into a Big...

public class Client { public static void main(String[] args) {   List listTemp = new ArrayList();   listTemp.add(1);   listTemp.add(2);   listTemp.add(3);   listTemp.add(4);   for(Integer i : listTemp...

 Java代码     Map map = new HashMap();         Iterator it = map.entrySet().iterator();         while (it.hasNext()) {             Map.Entry entry = (Map.Entry) it.next();             Object key = ...