java.nio.file.Paths, java.nio.file.Path 활용

Path = Paths.get("/aaa/bbb/ccc/ddd");

Path.getNameCount(); => returns 4

Path.getName(0) => returns "aaa"

Path.getName(3) => returns "ddd"

참고 : https://docs.oracle.com/javase/tutorial/essential/io/pathOps.html