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 ...

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 ...

If the user now types in 20 30 40 50, the program iterates through the text String four times, once for each number. Here’s the output of the updated Scanner String input processing program: How old ...

Notice that the code has a check for the newline character, as this will be treated as an input character if not filtered out. How to read the next char with Java’s Scanner. To summarize the process, ...