Google Guava Maps
Google Guava Maps has many static utility methods operating on Map instances (Map, SortedMap, NavigableMap, BiMap etc.,).
Google Guava Collections2
The Collections2 utility class in the Google Guava library has four methods, viz., filter, transform, permutations and orderedPermutations.
Google Guava Sets Utility Class
The Google Guava Sets utility class has static utility methods pertaining to Set instances. This post covers the methods from the Sets class.
Apache Commons Lang ObjectUtils
The Apache Commons Lang ObjectUtils class from the Apache Commons Lang3 library has many static utility methods operating on Object instances.
Apache Commons ComparatorUtils
The Apache Commons ComparatorUtils provides utils for creating and using comparators from org.apache.commons.collections4.comparators package.
Apache Commons Collections SetUtils
The Apache Commons Collections SetUtils class has utility methods and decorators for Set and SortedSet instances.
Apache Commons Collections ListUtils
In this post, we will explore all the utility methods and decorators for List instances in the Apache Commons Collections ListUtils class.
Java Stream map operation
We use the Java Stream map (an intermediate operation) to map an element in a stream to a different value (of the same or different type).
Java Stream min and max
In this post, we will learn about using Java Stream min and max methods to find the minimum and the maximum element in a Java Stream.
Java Stream sorted operation
Using Java Stream sorted operation on a stream will return a stream with the elements of the stream sorted according to their natural order.