I have found these various “singleton” methods to be useful for passing a single value to an API that requires a collection of that value. Of course, this works best when the code processing the ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Java collection classes allow a developer to keep track of contained items in one of two ways, ...

The Java Iterator is an all-purpose interface that simplifies looping through a collection of objects. Java's ListIterator provides all the functionality of the Iterator interface, with four ...