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LinkedHashSet

java.util.LinkedHashSet Example

In this post, we are going to discuss about the class java.util.LinkedHashSet and give you an idea of how you can use it on your own code when you want to manage collections of objects. Applications often must manage collections of objects. Although you can use arrays for this purpose, they are not always a good choice. For example, arrays ...

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Remove element from LinkedHashSet example

In this example we shall show you how to remove an element from a LinkedHashSet, using the remove(Object o) method of LinkedHashSet. To remove an element from a LinkedHashSet one should perform the following steps: Create a new LinkedHashSet. Populate the set with elements, using the add(E e) API method of LinkedHashSet. Remove an element from the set, using remove(Object ...

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Remove all elements from LinkedHashSet example

With this example we are going to demonstrate how to remove all elements from a LinkedHashSet. The LinkedHashSet provides methods for such operations. In short, to remove all elements from a LinkedHashSet you should: Create a new LinkedHashSet. Populate the set with elements, using the add(E e) API method of LinkedHashSet. Check whether the set contains any elements or not, ...

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LinkedHashSet Iterator example

This is an example of how to obtain a LinkedHashSet Iterator. The LinkedHashSet API provides us with methods for such operations. Obtaining a LinkedHashSet Iterator implies that you should: Create a new LinkedHashSet. Populate the set with elements, using the add(E e) API method of LinkedHashSet. Invoke iterator() API method of LinkedHashSet, to get an Iterator over the elements in ...

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LinkedHashSet size example

In this example we shall show you how to get the size of a LinkedHashSet, that is the number of the elements that a LinkedHashSet contains. To get the size of a LinkedHashSet one should perform the following steps: Create a new LinkedHashSet. Populate the set with elements, using the add(E e) API method of LinkedHashSet. Invoke the size() API ...

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Convert LinkedHashSet to Object array example

With this example we are going to demonstrate how to convert a LinkedHashSet to an Object array. In short, to convert a LinkedHashSet to an Object array you should: Create a new LinkedHashSet. Populate the set with elements, using the add(E e) API method of LinkedHashSet. Invoke toArray() method of LinkedHashSet, that returns an array containing all of the elements ...

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Check for element existence in LinkedHashSet example

This is an example of how to check for an element existence in a LinkedHashSet. We will use the contains(Object o) API method of LinkedHashSet. Checking if an element exists in a LinkedHashSet implies that you should: Create a new LinkedHashSet. Populate the set with elements, using the add(E e) API method of LinkedHashSet. Check if a specific element exists ...

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