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. To demonstrate, replace the line which adds the ...

The Scanner’s nextLine() method works a bit differently ... Java’s Scanner class provides all of the methods you will need. Java user input and output strategies Here’s how to get input into your Java ...

At first glance, this does not match the Function<T, R> interface directly, as it is designed to take one input and produce one output. However, when you use a method reference like String ...

Barr also provided some details about the two optional approaches for authoring Lambda functions, using a low-level stream-based model or a higher-level model leveraging "plain old Java objects" or ...