The java.util Hashtable class is a container object used to store and retrieve key-value pairs in a map-like structure. It is thread-safe, allowing multiple threads to access it simultaneously without corrupting the data.
Example 1: Retrieving a value using a key
Hashtable ht = new Hashtable<>(); ht.put("apple", 10); ht.put("orange", 20); int value = ht.get("orange"); System.out.println(value); // Output: 20
This class belongs to the java.util package library.
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