Developers (including you) benefit when you provide a string representation of your class. By implementing IFormattable, you can take control of this representation and provide some flexibility.

String interpolation is a technique that enables you to insert expression values into literal strings. It is also known as variable substitution, variable interpolation, or variable expansion. It is a ...

Java SE 1.5 added the ability to format output using formatting strings like “%5.2f%n” to print a floating point number and a newline. An October 2004 tip titled ...

Java programs without a graphical user interface use a computer's command line to interact with the user. It is vital that the program's command line output is properly formatted and spaced so that it ...