The example code below shows how to use Java’s DirectoryStream in a method to list the files of a directory: public Set<String> listFilesUsingDirectoryStream(String dir) throws IOException { ...

Use the Scanner’s next () or nextLine() methods to convert user input into the appropriate type. Use the Java user input in your program. Java Scanner import example Found in the java.util package, ...

Double brace initialization in Java Java developers have long desired the ability to quickly initialize contents of a List or Set. Yet, it’s strange that so many developers are unaware of Java’s ...