我已经在下面制作了哈希表,但现在我正在尝试使用相同的键存储多个值,但我无法做到这一点,请告知如何实现这一点,然后如何迭代 overit 以显示多个键附加的值..
Hashtable companies = new Hashtable();
// Java Hashtable example to put object into Hashtable
// put(key, value) is used to insert object into map
companies.put("Google", "United States");
companies.put("Nokia", "Finland");
companies.put("Sony", "Japan");
我想达到..
Hashtable companies = new Hashtable();
// Java Hashtable example to put object into Hashtable
// put(key, value) is used to insert object into map
companies.put("Google", "United States","France");
companies.put("Nokia", "Finland","Japan");
companies.put("Sony", "Japan", "indonesia");
各位请指教..!!