Can Hashtable Have Duplicate Values?

Hashtable Features
It does not accept duplicate keys. It stores key-value pairs in hash table data structure which internally maintains an array of list.

What happens when duplicate key is added to Hashtable?

What happens when we try to add a duplicate key into a HashMap object in java? ... It is based on the Hash table. It allows null values and null keys.

Can we store duplicate keys in Hashtable C#?

In hashtable, you can store elements of the same type and of the different types. The elements of hashtable that is a key/value pair are stored in DictionaryEntry, so you can also cast the key/value pairs to a DictionaryEntry. In Hashtable, key must be unique. Duplicate keys are not allowed.

Sophia Al-Mansoor

Sophia Al-Mansoor

Global Business & E-Commerce Reporter

Sophia analyzes international trade, startup ecosystems, retail transformation, and supply chain logistics for modern digital publications.