Array indexOf() in Java

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How can I use the indexOf() in Java?

Sep 19, 2018 in Java by anto.trigg4
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1 answer to this question.

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You can use this indexOf() method through Arrays utility class.

If the array is not sorted:

java.util.Arrays.asList(theArray).indexOf(o)

If the array is sorted, you can make use of a binary search for performance:

java.util.Arrays.binarySearch(theArray, o)
answered Sep 19, 2018 by geek.erkami
• 2,320 points

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