import org.apache.commons.math3.util.CombinatoricsUtils;
public class MathCombinationExample {
public static void main(String[] args) {
long combinationCount = CombinatoricsUtils.binomialCoefficient(3, 2);
System.out.println("Combination Count: " + combinationCount);
}
}
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-math3</artifactId>
<version>3.6.1</version>
</dependency>
