As noted in the comments, Java arrays employ C-like zero-based indexes and so using an index of 0 obtains the first element. /** * Extract the first element from the provided List of Strings.

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A Java string is a sequence of ... The objects themselves reside in the heap. String values reside in the string pool inside the heap. The following is an example of how character values make up the ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need ...

You can add one or several random numbers into your array variables, but Java does not guarantee that each number is unique. Right-click the Java file you want to edit and select "Open With." ...