List remove first element java

In Java, the LinkedList class provides the removeFirst method to remove and return the first element of the list. If the list is empty, the method throws a NoSuchElementException. Sure, here is an example list remove first element java using the removeFirst method in Java, with the full code and output:.

We can use the remove method of ArrayList container in Java to remove the first element. Note : Incase the ArrayList contains duplicates, it will delete the first occurrence of the object passed as a parameter to the remove method. Below is the implementation to delete the first element using the two approaches:. Skip to content. Change Language. Open In App. Solve Coding Problems.

List remove first element java

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Chinmoy Lenka. We can use the remove method of ArrayList container in Java to remove the first element. Enhance the article with your expertise.

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List remove first element java

A common solution is to remove the element at the specific position in the list is using the remove method. It works by shifting any subsequent elements to the left. Note that UnsupportedOperationException will be thrown if the remove method is called on an unmodifiable list. List ; import java. Collectors ; import java. Download Run Code. Output: [2, 3, 4, 5]. To handle it, you can create a utility method with size check on the list. ArrayList ; import java.

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ArrayList is a part of collection framework and is present in java. It provides us with dynamic arrays in Java.

ArrayList of ArrayList in Java. Explore offer now. Engineering Exam Experiences. Like Article. Admission Experiences. Hire With Us. Report issue Report. Work Experiences. Share your thoughts in the comments. Trending in News. Add Other Experiences. Enhance the article with your expertise.