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().

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 ... "java.lang.System.console()" is null Console ...

java.lang.ArithmeticException is an example of an unchecked exception thrown when an exceptional arithmetic condition has occurred. For example, an integer “divide by zero” throws an instance ...