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Java - check if ArrayList contains value
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In this article, we would like to show you how to check if ArrayList contains a value in Java.
Quick solution:
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myArrayList.contains(value);
In this example, we check if letters ArrayList contains an element with C value using contains() method that returns true or false.
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import java.util.*;2
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public class Example {4
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public static void main(String[] args) {6
List<String> letters = new ArrayList<>();7
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letters.add("A");9
letters.add("B");10
letters.add("C");11
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if (letters.contains("C")) {13
System.out.println("The ArrayList contains C.");14
} else {15
System.out.println("The ArrayList doesn't contain C.");16
}17
}18
}Output:
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The ArrayList contains C.