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?()
- A、Map c = new SortedMap();
- B、HashMap c = new HashMap();
- C、HashMap c = new Hashtable();
- D、SortedMap c = new TreeMap();
正确答案:A,B,D
答案解析:有
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