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How to convert an array of objects to an array of their primitive types in java?
Apache Commons provides a library named org.apache.commons.lang3 and, following is the maven dependency to add the library to your project.
<dependencies> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>3.0</version> </dependency> </dependencies>
This package provides a class named ArrayUtils. Using the toPrimitive() method of this class you can convert An object array to an array of primitive types:
Example
import java.util.Arrays;
import org.apache.commons.lang3.ArrayUtils;
public class ArraysToPrimitives {
public static void main(String args[]) {
Integer[] myArray = {234, 76, 890, 27, 10, 63};
int[] primitiveArray = ArrayUtils.toPrimitive(myArray);
System.out.println(Arrays.toString(primitiveArray));
}
}Output
[234, 76, 890, 27, 10, 63]
Updated on: 19-Feb-2020
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