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 ...
Certain principles hold for the use of iterators: In general, you should be able to have multiple traversals in progress at the same time; that is, an iterator should allow for the concept of nested ...
Brian Goetz covers Concurrent collections classes in Java on IBM's developerWorks. "In addition to many other useful concurrency building blocks, Doug Lea's util.concurrent package contains ...