Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods.

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 ...

Simple method delegation: Use method references for straightforward delegations that don’t require modifying or processing arguments.For example, list.forEach(System.out::println) is clearer ...

How to format a Java double with printf?. To format a Java float or double with printf, follow the same steps to format an integer with the following two addendums:. The conversion specifier for a ...