eg:
class Imember{
public int ID=0;
public float CBM=0.000
}--------
Imember item;ArrayList alist= new ArrayList();
item=new Imember();
item.ID=5;
item.CBM=27.231
alist.add(item);item=new Imember();
item.ID=7;
item.CBM=47.201
alist.add(item);item=new Imember();
item.ID=45;
item.CBM=22.201
alist.add(item);如何实现 alist 中的员成按 CBM从小到大的排序
class Imember{
public int ID=0;
public float CBM=0.000
}--------
Imember item;ArrayList alist= new ArrayList();
item=new Imember();
item.ID=5;
item.CBM=27.231
alist.add(item);item=new Imember();
item.ID=7;
item.CBM=47.201
alist.add(item);item=new Imember();
item.ID=45;
item.CBM=22.201
alist.add(item);如何实现 alist 中的员成按 CBM从小到大的排序
Sort实现ICompare接口即可