集合List对象调用get方法可以调用泛型的方法吗?
BCZCB 2016-11-21 09:20:59 public class Member { //????????????????????????????
public String id;
public String name;
public int age;
public int galary;
Member(){}
public Member(String id,String name,int age,int galary)
{
this.id=id;
this.name=name;
this.age=age;
this.galary=galary;
}
public String getId()
{
return id;
}
public String toString()
{
return id+" "+name+" "+age+" "+galary;
}
List<Member> li=new ArrayList<Member>();
public void add()
{
li.add(new Member("20150520","zbc",20,2000));
li.add(new Member("20010606","zbc1",20,2000));
li.add(new Member("20100111","zbc2",20,2000));
li.add(new Member("20080101","zbc3",20,2000));
}
List<Member> li1= new ArrayList<Member>();
List<Member> li2= new ArrayList<Member>();
public void Panduan()
{
Date da= new Date();
Format fo1=new SimpleDateFormat("yyyy");
Format fo2=new SimpleDateFormat("MMdd");
String str1 = fo1.format(da);
String str2 = fo2.format(da);
long l1=Long.parseLong(str1);
long l2=Long.parseLong(str2);
for(int i=0;i<li.size();i++)
{
String sid1=li.get(i).getId().substring(0, 4);//可以调用getId()方法吗?????
String sid2=li.get(i).getId().substring(4, 8);//可以调用getId()方法吗?????