Simple Object.toString() on arrays is seldom what we want as it only prints the String representation of the array itself and not of its contents. Arrays.toString(Object[]) will print a String ...

In Java an array is a way of storing multiple items of the same type. In this quick tutorial we introduce you to the very basics.

Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.