Top "Arraylist" questions

Initialization of an ArrayList in one line

I wanted to create a list of options for testing purposes. At first, I did this: ArrayList<String> …

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Convert ArrayList<String> to String[] array

I'm working in the android environment and have tried the following code, but it doesn't seem to be working. String [] …

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Create ArrayList from array

I have an array that is initialized like: Element[] array = {new Element(1), new Element(2), new Element(3)}; I would like to …

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Best way to convert an ArrayList to a string

I have an ArrayList that I want to output completely as a String. Essentially I want to output it in …

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When to use LinkedList over ArrayList in Java?

I've always been one to simply use: List<String> names = new ArrayList<>(); I use the interface …

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How to sort an ArrayList?

I have a List of doubles in java and I want to sort ArrayList in descending order. Input ArrayList is …

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How do I remove repeated elements from ArrayList?

I have an ArrayList<String>, and I want to remove repeated strings from it. How can I do …

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How to get the last value of an ArrayList

How can I get the last value of an ArrayList? I don't know the last index of the ArrayList.

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Convert list to array in Java

How can I convert a List to an Array in Java? Check the code below: ArrayList<Tienda> tiendas; …

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Converting 'ArrayList<String> to 'String[]' in Java

How might I convert an ArrayList<String> object to a String[] array in Java?

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