Hashtable java tutorial If a thread-safe implementation is not needed, it is recommended to use HashMap in place of Hashtable. util. As of the Java 2 platform v1. Hashtable; import java. When using a Hashtable, you specify an object that is used as a key, and the value that you want linked to that key. The key is then hashed, and the resulting hash code is used as the index at which the value is stored within the table. 2, this class was retrofitted to implement the Map interface, making it a member of the Java Collections Framework. when I discussed throw of How HashMap or Hashtable works in Java I touched based on the inner working of Hashtable, while in this J ava Hashtable . Jul 19, 2024 · In this Java Hashtable tutorial, I am going to share how to use Hashtable in Java with examples. Table of Contents 1. Sep 11, 2022 · In this tutorial we will see how to create a Hashtable, how to populate its entries and then we will learn how to display its key-value pairs using Enumeration. In this Hashtable tutorial, we will learn it’s internals, constructors, methods, use-cases and other important points. At the end of this article we will see Hashtable tutorials and methods of Hashtable class. Unlike the new collection implementations, Hashtable is synchronized. Jan 2, 2025 · The java. It is similar to HashMap, but is synchronized. Example import java. See full list on baeldung. Like HashMap, Hashtable stores key/value pairs in a hash table. In Hashtable we specify an object that is used as a key, and the value we want to associate to that key. It is very much similar to HashMap in Java, with most significant difference that Hashtable is synchronized while HashMap is not. These Java Hashtable Examples contain some of the frequently used operations on Hashtable in Java. com Java Hashtable class is an implementation of hash table data structure. util. Hashtable class is a class in Java that provides a key-value data structure, similar to the Map interface. Hashtable stores key/value pair in hash table. spvtycxwzmekttdxgzdbjdqpzkawfthfsdaecwncoqdquvpcxuii