HashMap 遍历

public HashMap<String, TcatalinaLocalhost> FhashMapping = new HashMap<String, TcatalinaLocalhost>();

 

　　FhashMapping.isEmpty()
　　FhashMapping.size()
　　FhashMapping.containsKey(key)
　　FhashMapping.put(key, value)
　　FhashMapping.get(key)
　　FhashMapping.remove(key)

 

Iterator<Map.Entry<String, TcatalinaLocalhost>> iter = FhashMapping.entrySet().iterator();
while (iter.hasNext())
{
　　Map.Entry<String, TcatalinaLocalhost> entry = iter.next();
　　String key = entry.getKey();
　　TcatalinaLocalhost val = entry.getValue();
}