Java: How to get all keys by a value in HashMap ? | Search by Value in Map
In this article we will discuss how to search into a Map by value and fetch associated keys to the given value. (more…)
Java : How to update the value of an existing key in HashMap | put() vs replace()
In this article we will discuss different ways to update the value of an existing key in HashMap in Java. (more…)
Java : Creating HashMap by associating multiple values with same Key
In this article we will discuss how to create a HashMap with multiple values associated with same Key in Java. (more…)
Java : How to Remove elements from HashMap while Iterating
In this article we will discuss different ways to remove elements from HashMap while Iterating. (more…)
Initializing a HashSet from an Array or a Collection
In this Article we will discuss how to initialize a HashSet using a Array or a Collection. (more…)
How to convert a HashSet into an array in Java
In this article we will discuss how to convert a HashSet in to an array. (more…)
How to Merge two HashSets in Java
In this article we will discuss how to merge two HashSets. (more…)
How to Merge an Array in a HashSet in Java
In this article we will discuss how to merge an array in a HashSet (more…)
How to Search for an element in HashSet in Java
In this article we will discuss how to search for an element in HashSet. (more…)
How to iterate over a HashSet in Java
In this article we will discuss how to Iterate over a HashSet in Java using HashSet. (more…)