In prior Java 101 articles, I referred to the concepts of redirection, standard input device, and standard output device. To demonstrate inputting data, several examples called System.in.read().

Learn by example how format output with the Java printf method. If you want to format dates, times, integers, doubles and Strings in the text you output to the console, logs or streams, you'll need ...

How to add Java Scanner char support The Java Scanner class provides methods that take String input and convert that String into any Java primitive type you might need, except for one: the char.