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Java - create List with values initialized on creation
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In this article, we would like to show you how to create List with values initialized on creation in Java.
Quick solution:
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List<Integer> numbers = Arrays.asList(1, 2, 3);2
System.out.println(numbers); // [1, 2, 3]
In this example, we use Arrays.asList() method to add items to the list on its creation.
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import java.util.Arrays;2
import java.util.List;3
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public class Example {5
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public static void main(String[] args) {7
List<Integer> numbers = Arrays.asList(1, 2, 3);8
System.out.println("Numbers: " + numbers); // [1, 2, 3]9
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List<String> letters = Arrays.asList("A", "B", "C");11
System.out.println("Letters: " + letters); // [A, B, C]12
}13
}Output:
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Numbers: [1, 2, 3]2
Letters: [A, B, C]