Java’s interface language feature confuses many Java newbies. Many mistakenly assume that interfaces only sidestep Java’s failure to support multiple implementation inheritance.

Name = java.lang Specification title = Java Platform API Specification Specification vendor = Sun Microsystems, Inc. Specification version = 1.4 Implementation title = Java Runtime Environment ...

If you want to take advantage of sorting methods in Java, you'll need to implement the Comparable interface. Written by David Petersheim, Contributor Feb. 17, 2005 at 8:00 a.m. PT ...

Implementation of the UnaryOperator example. To show you an old school, pre-Java 8 UnaryOperator example, we will create a single class named UnaryOperatorExample and provide the required apply method ...