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 ...

How to format a Date in Java with printf?. The best way to output date and time values in Java is with the DateTimeFormatter class. But the printf method supports simple date formatting through the ...

Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories. Topics Spotlight: New Thinking about Cloud Computing ...