It has always been a mystery to me: Why do instructors teach Java always subject students to console-based input with the JDK’s Scanner, Console or InputStream classes? Using a command prompt or ...

Note the letter ‘f’ in the Java Console’s printf method. The difference between print() and printf() is the ability to easily output formatted text. To demonstrate, replace the line which adds the ...

Some portion of the input text must match this construct’s pattern in order to have a successful pattern match. Consider the following example: java RegexDemo apple applet This example attempts ...

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().