hashmap
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Core Java
Construct HashMap from String
1. Introduction Java’s HashMap class is a widely used data structure that stores key-value pairs. In this tutorial, we’ll aim…
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Core Java
HashMap to ArrayList In Java
In Java programming, converting HashMap values into an ArrayList is a common operation when transitioning between data structures. Let us…
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Core Java
Get ArrayLists of Values and Keys from a HashMap in Java
In Java, the HashMap is a commonly used data structure that stores keys-value pairs. Sometimes, we may need to extract…
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Core Java
Delete Duplicate Values From HashMap in Java
HashMap in Java programming is a widely used data structure that allows application developers to store and manage key-value pairs…
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data types
Java Dictionary example
In this tutorial we will discuss about dictionaries in Java. A Dictionary is an abstract class that maps keys to…
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Java Basics
Java Map Example
In this post, we feature a comprehensive Java Map Example. We will discuss about Maps in Java. A Map is…
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HashMap
Remove mapping from HashMap example
This is an example of how to remove mapping from a HashMap, that is removing a key value pair from…
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HashMap
Remove all mappings from HashMap example
This is an example of how to remove all mappings from a HashMap, that means removing all key value pairs…
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HashMap
HashMap Iterator example
In this example we shall show you how to use a HashMap Iterator. To use a HashMap one should perform…
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HashMap
Get size of HashMap example
With this example we are going to demonstrate how to get the size of a HashMap, that is the number…
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