Файлы

// Файл
File f1 = new File("/java/COPYRIGHT");

// Тесты
System.out.println("File Name:" + f1 .getName());
System.out.println("Path:" + f1.getPath());
System.out.println("Abs Path:" + f1.getAbsolutePath());
System.out.println("Parent:" + f1.getParent());

System.out.println(f1.exists() ? "exists" : "does not exist");
System.out.println(f1.canWrite() ? "is writeable" : "is not writeable");
System.out.println(f1.canRead() ? "is readable" : "is not readable");

System.out.println("is " + (f1.isDirectory() ? " " : "not") + " a directory");
System.out.println(f1.isFile() ? "is normal file" : "might be a named pipe");
System.out.println(f1.isAbsolute() ? "is absolute" : "is not absolute");

System.out.println("File last modified:" + f1. lastModified());
System.out.println("File size:" + f1.length() + " Bytes");