import java.io.IOException; import java.nio.file.Files; import java.nio.file.Paths; import java.util.List; public class App { public static void main(String[] args) { new App().cat(args[0]); } public void cat(String name) { try { final List content = Files.readAllLines(Paths.get(name)); System.out.println("> cat " + name); for (String line : content) { System.out.println(line); } } catch (IOException e) { System.out.println(e); } } }