https://www.scala-lang.org/api/2.13.0/scala/jdk/CollectionConverters$.html

https://stackoverflow.com/questions/8301947/what-is-the-difference-between-javaconverters-and-javaconversions-in-scala

Short Story¶

Just import scala.collection.JavaConverters._.

http://commons.apache.org/proper/commons-math/javadocs/api-3.4/org/apache/commons/math3/util/Combinations.html

https://google.github.io/guava/releases/19.0/api/docs/com/google/common/collect/Collections2.html

https://commons.apache.org/proper/commons-math/javadocs/api-3.6/index.html?org/apache/commons/math3/util/CombinatoricsUtils.html

http://commons.apache.org/proper/commons-math/javadocs/api-3.6/org/apache/commons/math3/random/RandomDataGenerator.html

http://www.scala-lang.org/api/2.12.3/scala/math/index.html

pow¶