1. import java.util.*; 2. 3. Class FindStuff { 4. public static void main(String [] args) { 5. // insert code here 6. c.put("x", 123); 7. } 8. } 分别插入到第5行,哪三行允许代码编译?()
- AMap c = new SortedMap();
- BHashMap c = new HashMap();
- CHashMap c = new Hashtable();
- DSortedMap c = new TreeMap();