package com.chase.test; import java.util.ArrayList; import java.util.Hashtable; import java.util.List; public class testT { public static <T> void main(String[] args) { testT classT = new testT(); List<T> find = classT.find(0, 10); if (find != null && find.size()>0) { for (T integer : find) { System.out.println(integer); } } // showList(); } public static <T> void showList() { testT classT = new testT(); List<T> find = classT.find(0, 10); for (T t : find) { System.out.println(t); } } public <T> List<T> find(int begin, int end) { List<T> list = new ArrayList<T>(); list.add((T)new Integer(222)); list.add((T)"111"); list.add((T)"昨天是重阳节!"); return list; } } class TestGen0<K,V>{ public Hashtable<K,V> h=new Hashtable<K,V>(); public void put(K k, V v) { h.put(k,v); } public V get(K k) { return h.get(k); } public static void main(String args[]){ TestGen0<String,String> t=new TestGen0<String,String>(); t.put("key", "value"); String s=t.get("key"); System.out.println(s); } }
testT 输出:
222
111
昨天是重阳节!
TestGen0输出:
value