At this point, the Scanner still returns a String, although the String contains only one character. To complete the use case, you must convert this one-character String into a single Java char with ...

How to printf a Java String. To use the Java String printf method to format output text, follow these rules:. Use %s as the printf String specifier in the text string being formatted.; Use %S as the ...

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 ...

The Java.next languages all have powerful switching capabilities, allowing you to switch on any criteria you like. As an example, consider a method that calculates a letter grade, taking input ...