importjava.util.HashMap;importjava.util.Map;publicclassMapRemovalExample{publicstaticvoidmain(String[]args){Map<String,String>map=newHashMap<>();map.put("key1","value1");map.put("key2","value2");map.put("key3","value3");// 删除Map中的某个元素StringkeyToRemove="key2";if(map.conta...
for (std::map<CString, std::vector<CString>>::iterator iter=m_mapName.begin();iter!=m_mapName.end();){ std::vector<CString> & vec = iter->second;// 对vec可以进行任意的操作,删除一个元素自然不在话下 }