public int compare(Posen o1, Posen o2) {
int num = o1.getName().compareTo(o2.getName());这句话是什么意思?
if(num==0)
{
return new Integer(o1.getAge()).compareTo(o2.getAge());
return num;
}
public int compare(Posen o1, Posen o2) {
int num = o1.getName().compareTo(o2.getName());这句话是什么意思?
if(num==0)
{
return new Integer(o1.getAge()).compareTo(o2.getAge());
return num;
}