Method references in Java are part of the broader set of features introduced and enhanced in Java 8 and beyond. They are a concise way to refer to methods of classes or objects.

Adding a non-comparable (any object that doesn’t implement Comparable) object in a TreeSet or TreeMap object. What to remember about sorting with Java Use Comparable when the comparison is ...

Java provides a way for the programmer to exercise control over memory management by marking certain objects as expendable via reference objects. Should an application’s memory requirements ...