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Hashtable

Check value existence in Hashtable example

In this example we shall show you how to check a value existence in a Hashtable. The Hashtable API provides methods for such operations. To check if a value exists in a Hashtable one should perform the following steps: Create a new Hashtable. Populate the hashtable with elements, using put(K key, V value) API method of Hashtable. Invoke containsValue(Object value) ...

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Check key existence in Hashtable example

With this example we are going to demonstrate how to check a key existence in a Hashtable. In short, to check if a key exists in a Hashtable you should: Create a new Hashtable. Populate the hashtable with elements, using put(K key, V value) API method of Hashtable. Invoke the containsKey(Object key) API method of Hashtable, with a key as ...

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