import java.util.List;

import java.util.concurrent.CopyOnWriteArrayList;

public class GenericsTest {

public static void main(String[] args) {

String[] arr = new String[]{"1","2","3","4"};

List<String> list = get(arr);

System.out.println("list= "+list);

String result = transfer(true, "abin", "lee");

System.out.println("result= "+result);

}

public static <T> List<T> get(T... t){

List<T> list = new CopyOnWriteArrayList<T>();

for(T s:t){

list.add(s);

}

return list;

}

public static <T> T transfer(boolean flag,T first,T second){

T t = flag ? first : second;

return t;

}

}

abin 2015-01-08 16:59 发表评论