Java Files.readAllLines() is a method in Java's java.nio.file.Files class that reads all lines from a file and returns them as a list of strings. It is useful for processing small to medium-sized text files. Introduced in Java 2007 with Java 7, readAllLines() simplifies file reading operations and is commonly used for reading configuration files or log data.

https://docs.oracle.com/javase/8/docs/api/java/nio/file/Files.html