使用类型安全的LIST

[woxiangwalkman]

import java.util.LinkedList;
import java.util.List;
import java.util.Iterator;
public class safelist{
public static void main(String as[]){
List<String> a=new LinkedList<String>();
a.add("1");
a.add("2");
a.add("3");
Integer aa=new Integer(4);
a.add(aa.toString());
String p="";
Iterator<String> it=a.iterator();
while(it.hasNext()){
p=it.next();
System.out.println(p);
}
}
}

[海天候]

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