HashSet 转成 ArrayList的方法？ 入门问题，不要嫌烦

bill.end

//set is going to be converted
List list = new ArrayList(set);
System.out.println(list.toString());
Collections.sort(list, new Comparator(){
public int compare(Object o1, Object o2) {
//Temp with Date type of attribute is a class.
Temp s1 = (Temp)o1;  
Temp s2 = (Temp)o2;  
return s2.date.compareTo(s1.date);
}                       
});
System.out.println(list.toString());

Hope that will help u.

davis_zhou

justforregister

最初由 bill.end 发布
[B]//set is going to be converted
List list = new ArrayList(set);
System.out.println(list.toString());
Collections.sort(list, new Comparator(){
public int compare(Object o1, Object o2) {
//Temp with Date type of attribute is a class.
Temp s1 = (Temp)o1;  
Temp s2 = (Temp)o2;  
return s2.date.compareTo(s1.date);
}                       
});
System.out.println(list.toString());

Hope that will help u. [/B]

您太仁慈了

waywise

最初由 justforregister 发布
[B]
您太仁慈了 [/B]

明显比您好心阿？

davis_zhou

这种东西google搜一下就来了

justforregister

最初由 waywise 发布
[B]


明显比您好心阿？ [/B]

真的， 你都帮他作了，那他做什么？