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java set that maintains insertion order
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Get Free GPT4o from https://codegive.com • in java, a `set` is a collection that does not allow duplicate elements. however, by default, the standard `set` implementations like `hashset` do not maintain the order of insertion. if you want a `set` that maintains the order of elements as they were inserted, you can use the `linkedhashset` class. • what is linkedhashset? • `linkedhashset` is part of the java collections framework and extends `hashset`. it maintains a doubly-linked list that runs through its entries, which allows it to maintain the order of insertion. this means that when you iterate over a `linkedhashset`, you will see the elements in the order they were added. • key features of linkedhashset: • 1. **order of insertion**: maintains the order of elements as they are inserted. • 2. **no duplicates**: like other sets, it does not allow duplicate elements. • 3. **performance**: provides constant time performance for basic operations (add, remove, contains) due to its hash table implementation. • 4. **iteration order**: the iteration order is predictable and is the order in which elements were added. • example code: • here's a simple example demonstrating how to use `linkedhashset`: • • explanation of the code: • 1. **creating a linkedhashset**: we create an instance of `linkedhashset` to store `string` elements. • 2. **adding elements**: we add several fruit names to the set. when we try to add apple again, it returns `false` because duplicates are not allowed. • 3. **iterating over elements**: we use an enhanced for loop to iterate through the elements, which will be in the order they were added. • 4. **checking for existence**: we check if banana exists in the set using the `contains()` method. • 5. **removing an element**: we remove cherry and print the remaining elements. • 6. **getting the size**: finally, we print the size of the `linkedhashset`. • conclusion • `linkedhashset` is a powerful tool in java that combines the benefits of a `set` with the ability to maintain insertion order. this makes ... • #python insertion in string • #python insertion order dictionary • #python insertion order set • #python list insertion complexity • #insertion python dictionary • python insertion in string • python insertion order dictionary • python insertion order set • python list insertion complexity • insertion python dictionary • python insertion sort definition • python array insertion • python insertion • python insertion sort • python insertion sort explained • python javascript • python javascript parser • python java • python javalang • python javascript library • python java interop • python java c++ • python javatpoint
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