Java : Path con ejemplos

Path (Java SE 22 & JDK 22) en Java con ejemplos.
Encontrará ejemplos de código en la mayoría de los métodos de Path.

Nota :

Este artículo puede utilizar software de traducción para su comodidad. Consulte también la versión original en inglés.

Summary

Un objeto que se puede utilizar para localizar un archivo en un sistema de archivos. Normalmente representa una ruta de archivo dependiente del sistema. (Traducción automática)

Class diagram

final var path = Path.of("D:", "java-work", "sample.txt");
System.out.println(path); // "D:\java-work\sample.txt"

System.out.println(Files.exists(path)); // false

Files.writeString(path, """
        aaa
        bbb
        ccc
        """);

System.out.println(Files.exists(path)); // true

final var str = Files.readString(path);
System.out.println(str);

// Result
// ↓
//aaa
//bbb
//ccc

Methods

int compareTo (Path other)

Compara lexicográficamente dos caminos abstractos. (Traducción automática)

System.out.println(System.getProperty("os.name")); // Windows 10

// Filename comparisons are case-insensitive on Windows.
final var path1 = Path.of("aaa.txt");
final var path2 = Path.of("AAA.txt");

System.out.println(path1); // "aaa.txt"
System.out.println(path2); // "AAA.txt"
System.out.println(path1.compareTo(path2)); // 0

final var path1 = Path.of("aaa.txt");
final var path2 = Path.of("bbb.txt");

System.out.println(path1); // "aaa.txt"
System.out.println(path2); // "bbb.txt"
System.out.println(path1.compareTo(path2)); // -1
System.out.println(path2.compareTo(path1)); // 1

final var path1 = Path.of("12.txt");
final var path2 = Path.of("123.txt");

System.out.println(path1); // "12.txt"
System.out.println(path2); // "123.txt"
System.out.println(path1.compareTo(path2)); // -5
System.out.println(path2.compareTo(path1)); // 5

final var path1 = Path.of("99.jpg");
final var path2 = Path.of("123.jpg");

System.out.println(path1); // "99.jpg"
System.out.println(path2); // "123.jpg"
System.out.println(path1.compareTo(path2)); // 8
System.out.println(path2.compareTo(path1)); // -8

final var path1 = Path.of("dir1", "a.txt");
final var path2 = Path.of("dir1", "b.txt");
final var path3 = Path.of("dir2", "a.txt");
final var path4 = Path.of("dir2", "b.txt");

System.out.println(path1); // "dir1\a.txt"
System.out.println(path2); // "dir1\b.txt"
System.out.println(path3); // "dir2\a.txt"
System.out.println(path4); // "dir2\b.txt"

System.out.println(path1.compareTo(path2)); // -1
System.out.println(path1.compareTo(path3)); // -1
System.out.println(path1.compareTo(path4)); // -1

System.out.println(path2.compareTo(path1)); // 1
System.out.println(path2.compareTo(path3)); // -1
System.out.println(path2.compareTo(path4)); // -1

System.out.println(path3.compareTo(path1)); // 1
System.out.println(path3.compareTo(path2)); // 1
System.out.println(path3.compareTo(path4)); // -1

System.out.println(path4.compareTo(path1)); // 1
System.out.println(path4.compareTo(path2)); // 1
System.out.println(path4.compareTo(path3)); // 1

final var path1 = Path.of("dir");
final var path2 = Path.of("dir", "a.txt");

System.out.println(path1); // "dir"
System.out.println(path2); // "dir\a.txt"
System.out.println(path1.compareTo(path2)); // -6
System.out.println(path2.compareTo(path1)); // 6

final var path1 = Path.of("dir", "a.txt");
final var path2 = Path.of("dir", "dir2", "..", "a.txt");

System.out.println(path1); // "dir\a.txt"
System.out.println(path2); // "dir\dir2\..\a.txt"
System.out.println(path1.compareTo(path2)); // -3
System.out.println(path2.compareTo(path1)); // 3

final var path3 = path2.normalize();
System.out.println(path3); // "dir\a.txt"
System.out.println(path1.compareTo(path3)); // 0

default boolean endsWith (String other)

Comprueba si esta ruta termina con una ruta, construida convirtiendo la cadena de ruta dada, exactamente de la manera especificada por el método endsWith(Path). (Traducción automática)

final var path = Path.of("foo", "bar");
System.out.println(path); // "foo\bar"

System.out.println(path.endsWith("r")); // false
System.out.println(path.endsWith("ar")); // false
System.out.println(path.endsWith("bar")); // true
System.out.println(path.endsWith("\\bar")); // false
System.out.println(path.endsWith("o\\bar")); // false
System.out.println(path.endsWith("oo\\bar")); // false
System.out.println(path.endsWith("foo\\bar")); // true
System.out.println(path.endsWith("Zfoo\\bar")); // false

boolean endsWith (Path other)

Comprueba si esta ruta termina con la ruta dada. (Traducción automática)

final var path = Path.of("foo", "bar");
System.out.println(path); // "foo\bar"

System.out.println(path.endsWith(Path.of("r"))); // false
System.out.println(path.endsWith(Path.of("ar"))); // false
System.out.println(path.endsWith(Path.of("bar"))); // true
System.out.println(path.endsWith(Path.of("o", "bar"))); // false
System.out.println(path.endsWith(Path.of("oo", "bar"))); // false
System.out.println(path.endsWith(Path.of("foo", "bar"))); // true
System.out.println(path.endsWith(Path.of("Z", "foo", "bar"))); // false

boolean equals (Object other)

Comprueba esta ruta para verificar si es igual al objeto dado. (Traducción automática)

System.out.println(System.getProperty("os.name")); // Windows 10

final var path = Path.of("aaa.txt");
System.out.println(path); // "aaa.txt"

// Filename comparisons are case-insensitive on Windows.
System.out.println(path.equals(Path.of("aaa.txt"))); // true
System.out.println(path.equals(Path.of("AAA.TXT"))); // true
System.out.println(path.equals(Path.of("bbb.txt"))); // false

final var path = Path.of("dir", "aaa.txt");
System.out.println(path); // "dir\aaa.txt"

System.out.println(path.equals(Path.of("dir", "aaa.txt"))); // true
System.out.println(path.equals(Path.of("DIR", "AAA.TXT"))); // true
System.out.println(path.equals(Path.of("aaa.txt"))); // false
System.out.println(path.equals(Path.of("dir"))); // false
System.out.println(path.equals(Path.of("dir", "bbb.txt"))); // false
System.out.println(path.equals(Path.of("xxx", "aaa.txt"))); // false

Path getFileName ()

Devuelve el nombre del archivo o directorio indicado por esta ruta como un objeto Path. (Traducción automática)

final var path1 = Path.of("dir");
System.out.println(path1); // "dir"
System.out.println(path1.getFileName()); // "dir"

final var path2 = Path.of("dir", "aaa.txt");
System.out.println(path2); // "dir\aaa.txt"
System.out.println(path2.getFileName()); // "aaa.txt"

final var path3 = Path.of("dir", "dir2", "aaa.txt");
System.out.println(path3); // "dir\dir2\aaa.txt"
System.out.println(path3.getFileName()); // "aaa.txt"

final var path4 = Path.of("D:");
System.out.println(path4); // "D:"
System.out.println(path4.getFileName()); // null

final var path5 = Path.of("D:", "java-work", "aaa.txt");
System.out.println(path5); // "D:\java-work\aaa.txt"
System.out.println(path5.getFileName()); // "aaa.txt"

final var path6 = Path.of("..");
System.out.println(path6); // ".."
System.out.println(path6.getFileName()); // ".."

FileSystem getFileSystem ()

Devuelve el sistema de archivos que creó este objeto. (Traducción automática)

Please see also : FileSystem (Java SE 22 & JDK 22)

System.out.println(System.getProperty("os.name")); // Windows 10

final var path = Path.of("aaa.txt");
System.out.println(path); // "aaa.txt"

final var fileSystem = path.getFileSystem();
System.out.println(fileSystem); // sun.nio.fs.WindowsFileSystem@2657d4dd

Path getName (int index)

Devuelve un elemento de nombre de esta ruta como un objeto Path. (Traducción automática)

final var path1 = Path.of("dir1", "dir2", "aaa.txt");
System.out.println(path1); // "dir1\dir2\aaa.txt"

//path1.getName(-1); // IllegalArgumentException
System.out.println(path1.getName(0)); // "dir1"
System.out.println(path1.getName(1)); // "dir2"
System.out.println(path1.getName(2)); // "aaa.txt"
//path1.getName(3); // IllegalArgumentException

final var path2 = Path.of("D:", "java-work", "aaa.txt");
System.out.println(path2); // "D:\java-work\aaa.txt"
System.out.println(path2.getName(0)); // "java-work"
System.out.println(path2.getName(1)); // "aaa.txt"
//path2.getName(2); // IllegalArgumentException

final var path3 = Path.of("aaa.txt");
System.out.println(path3); // "aaa.txt"
System.out.println(path3.getName(0)); // "aaa.txt"

final var path4 = Path.of("dir", "..", ".", "aaa.txt");
System.out.println(path4); // "dir\..\.\aaa.txt"
System.out.println(path4.getName(0)); // "dir"
System.out.println(path4.getName(1)); // ".."
System.out.println(path4.getName(2)); // "."
System.out.println(path4.getName(3)); // "aaa.txt"

int getNameCount ()

Devuelve el número de elementos de nombre en la ruta. (Traducción automática)

final var path1 = Path.of("dir1", "dir2", "aaa.txt");
System.out.println(path1); // "dir1\dir2\aaa.txt"
System.out.println(path1.getNameCount()); // 3

final var path2 = Path.of("D:");
System.out.println(path2); // "D:"
System.out.println(path2.getNameCount()); // 0

final var path3 = Path.of("D:", "java-work", "aaa.txt");
System.out.println(path3); // "D:\java-work\aaa.txt"
System.out.println(path3.getNameCount()); // 2

final var path4 = Path.of("aaa.txt");
System.out.println(path4); // "aaa.txt"
System.out.println(path4.getNameCount()); // 1

final var path5 = Path.of("dir", "..", ".", "aaa.txt");
System.out.println(path5); // "dir\..\.\aaa.txt"
System.out.println(path5.getNameCount()); // 4

Path getParent ()

Devuelve la ruta principal o nula si esta ruta no tiene una principal. (Traducción automática)

final var path1 = Path.of("dir1", "dir2", "aaa.txt");
System.out.println(path1); // "dir1\dir2\aaa.txt"
System.out.println(path1.getParent()); // "dir1\dir2"
System.out.println(path1.getParent().getParent()); // "dir1"
System.out.println(path1.getParent().getParent().getParent()); // null

final var path2 = Path.of("D:", "java-work", "aaa.txt");
System.out.println(path2); // "D:\java-work\aaa.txt"
System.out.println(path2.getParent()); // "D:\java-work"
System.out.println(path2.getParent().getParent()); // "D:\"
System.out.println(path2.getParent().getParent().getParent()); // null

final var path3 = Path.of("aaa.txt");
System.out.println(path3); // "aaa.txt"
System.out.println(path3.getParent()); // null

final var path4 = Path.of("dir", "..", ".", "aaa.txt");
System.out.println(path4); // "dir\..\.\aaa.txt"
System.out.println(path4.getParent()); // "dir\..\."
System.out.println(path4.getParent().getParent()); // "dir\.."
System.out.println(path4.getParent().getParent().getParent()); // "dir"
System.out.println(path4.getParent().getParent().getParent().getParent()); // null

Path getRoot ()

Devuelve el componente raíz de esta ruta como un objeto Path, o nulo si esta ruta no tiene un componente raíz. (Traducción automática)

final var path1 = Path.of("dir1", "dir2", "aaa.txt");
System.out.println(path1); // "dir1\dir2\aaa.txt"
System.out.println(path1.getRoot()); // null

final var path2 = Path.of("D:", "java-work", "aaa.txt");
System.out.println(path2); // "D:\java-work\aaa.txt"
System.out.println(path2.getRoot()); // "D:\"

final var path3 = Path.of("aaa.txt");
System.out.println(path3); // "aaa.txt"
System.out.println(path3.getRoot()); // null

final var path4 = Path.of("dir", "..", ".", "aaa.txt");
System.out.println(path4); // "dir\..\.\aaa.txt"
System.out.println(path4.getRoot()); // null

int hashCode ()

Calcula un código hash para esta ruta. (Traducción automática)

System.out.println(System.getProperty("os.name")); // Windows 10

// Filename comparisons are case-insensitive on Windows.
System.out.println(Path.of("aaa.txt").hashCode()); // -519425277
System.out.println(Path.of("AAA.TXT").hashCode()); // -519425277

System.out.println(Path.of("dir1", "dir2", "aaa.txt").hashCode()); // 1707759364
System.out.println(Path.of("D:", "java-work", "aaa.txt").hashCode()); // 1186026781

boolean isAbsolute ()

Indica si esta ruta es absoluta o no. (Traducción automática)

final var path1 = Path.of("dir1", "dir2", "aaa.txt");
System.out.println(path1); // "dir1\dir2\aaa.txt"
System.out.println(path1.isAbsolute()); // false

final var path2 = Path.of("D:");
System.out.println(path2); // "D:"
System.out.println(path2.isAbsolute()); // false

final var path3 = Path.of("D:", "java-work", "aaa.txt");
System.out.println(path3); // "D:\java-work\aaa.txt"
System.out.println(path3.isAbsolute()); // true

final var path4 = Path.of("aaa.txt");
System.out.println(path4); // "aaa.txt"
System.out.println(path4.isAbsolute()); // false

final var path5 = Path.of("dir", "..", ".", "aaa.txt");
System.out.println(path5); // "dir\..\.\aaa.txt"
System.out.println(path5.isAbsolute()); // false

default Iterator<Path> iterator ()

Devuelve un iterador sobre los elementos de nombre de esta ruta. (Traducción automática)

final var path = Path.of("dir1", "dir2", "aaa.txt");
System.out.println(path); // "dir1\dir2\aaa.txt"

final var it = path.iterator();

System.out.println("-- forEachRemaining --");
it.forEachRemaining(System.out::println);

// Result
// ↓
//-- forEachRemaining --
//dir1
//dir2
//aaa.txt

final var path = Path.of("D:");
System.out.println(path); // "D:"

final var it = path.iterator();

System.out.println("-- forEachRemaining --");
it.forEachRemaining(System.out::println);

// Result
// ↓
//-- forEachRemaining --

final var path = Path.of("D:", "java-work", "aaa.txt");
System.out.println(path); // "D:\java-work\aaa.txt"

final var it = path.iterator();

System.out.println("-- forEachRemaining --");
it.forEachRemaining(System.out::println);

// Result
// ↓
//-- forEachRemaining --
//java-work
//aaa.txt

final var path = Path.of("aaa.txt");
System.out.println(path); // "aaa.txt"

final var it = path.iterator();

System.out.println("-- forEachRemaining --");
it.forEachRemaining(System.out::println);

// Result
// ↓
//-- forEachRemaining --
//aaa.txt

final var path = Path.of("dir", "..", ".", "aaa.txt");
System.out.println(path); // "dir\..\.\aaa.txt"

final var it = path.iterator();

System.out.println("-- forEachRemaining --");
it.forEachRemaining(System.out::println);

// Result
// ↓
//-- forEachRemaining --
//dir
//..
//.
//aaa.txt

Path normalize ()

Devuelve una ruta que es esta ruta con elementos de nombre redundantes eliminados. (Traducción automática)

final var path1 = Path.of("dir1", "dir2", "aaa.txt");
System.out.println(path1); // "dir1\dir2\aaa.txt"
System.out.println(path1.normalize()); // "dir1\dir2\aaa.txt"

final var path2 = Path.of("dir1", "dir2", "..", "aaa.txt");
System.out.println(path2); // "dir1\dir2\..\aaa.txt"
System.out.println(path2.normalize()); // "dir1\aaa.txt"

final var path3 = Path.of("dir1", "dir2", "..", "..", "aaa.txt");
System.out.println(path3); // "dir1\dir2\..\..\aaa.txt"
System.out.println(path3.normalize()); // "aaa.txt"

final var path4 = Path.of("dir1", "dir2", "..", "..", "..", "aaa.txt");
System.out.println(path4); // "dir1\dir2\..\..\..\aaa.txt"
System.out.println(path4.normalize()); // "..\aaa.txt"

final var path5 = Path.of("D:", "java-work", "aaa.txt");
System.out.println(path5); // "D:\java-work\aaa.txt"
System.out.println(path5.normalize()); // "D:\java-work\aaa.txt"

final var path6 = Path.of("D:", "java-work", "..", "aaa.txt");
System.out.println(path6); // "D:\java-work\..\aaa.txt"
System.out.println(path6.normalize()); // "D:\aaa.txt"

final var path7 = Path.of("D:", "java-work", "..", "..", "aaa.txt");
System.out.println(path7); // "D:\java-work\..\..\aaa.txt"
System.out.println(path7.normalize()); // "D:\aaa.txt"

static Path of (String first, String... more)

Devuelve una ruta convirtiendo una cadena de ruta o una secuencia de cadenas que cuando se unen forman una cadena de ruta. (Traducción automática)

final var path1 = Path.of("dir1", "dir2", "aaa.txt");
System.out.println(path1); // "dir1\dir2\aaa.txt"

final var path2 = Path.of("D:");
System.out.println(path2); // "D:"

final var path3 = Path.of("D:", "java-work", "aaa.txt");
System.out.println(path3); // "D:\java-work\aaa.txt"

final var path4 = Path.of("aaa.txt");
System.out.println(path4); // "aaa.txt"

final var path5 = Path.of("dir", "..", ".", "aaa.txt");
System.out.println(path5); // "dir\..\.\aaa.txt"

static Path of (URI uri)

Devuelve una ruta convirtiendo una URI. (Traducción automática)

final var uri = URI.create("file:///D:/java-work/aaa.txt");
System.out.println(uri); // "file:///D:/java-work/aaa.txt"

final var path = Path.of(uri);
System.out.println(path); // "D:\java-work\aaa.txt"

final var uri = URI.create("http://example.com");
System.out.println(uri); // "http://example.com"

try {
    final var path = Path.of(uri);
} catch (FileSystemNotFoundException e) {
    System.out.println(e);
}

// Result
// ↓
//java.nio.file.FileSystemNotFoundException: Provider "http" not installed

default WatchKey register (WatchService watcher, WatchEvent.Kind<?>... events)

Registra el archivo ubicado en esta ruta con un servicio de vigilancia. (Traducción automática)

try (final var executor = Executors.newSingleThreadScheduledExecutor()) {

    final var targetDir = Path.of("D:", "java-work");
    System.out.println(targetDir); // "D:\java-work"

    final var targetFile = targetDir.resolve("aaa.txt");
    System.out.println(targetFile); // "D:\java-work\aaa.txt"
    System.out.println(Files.exists(targetFile)); // false

    executor.schedule(() -> {
        try {
            Files.createFile(targetFile);
        } catch (IOException e) {
            System.out.println("IOException!");
        }
    }, 3, TimeUnit.SECONDS);

    try (final var watchService = FileSystems.getDefault().newWatchService()) {

        final var watchKey = targetDir.register(watchService, ENTRY_CREATE);

        // Wait until an event occurs.
        final var takeKey = watchService.take();
        System.out.println(watchKey.equals(takeKey)); // true

        final var contexts = takeKey.pollEvents().stream()
                .map(WatchEvent::context)
                .toList();
        System.out.println(contexts); // [aaa.txt]
        System.out.println(Files.exists(targetFile)); // true
    }
}

WatchKey register (WatchService watcher, WatchEvent.Kind<?>[] events, WatchEvent.Modifier... modifiers)

Registra el archivo ubicado en esta ruta con un servicio de vigilancia. (Traducción automática)

Please see :

register(WatchService watcher, WatchEvent.Kind<?>... events)
WatchEvent.Modifier

Path relativize (Path other)

Construye una ruta relativa entre esta ruta y una ruta dada. (Traducción automática)

final var path = Path.of("D:", "java-work");
System.out.println(path); // "D:\java-work"

final var ret1 = path.relativize(Path.of("D:", "java-work", "aaa.txt"));
System.out.println(ret1); // "aaa.txt"

final var ret2 = path.relativize(Path.of("D:", "java-work", "dir", "bbb.txt"));
System.out.println(ret2); // "dir\bbb.txt"

final var path = Path.of("D:", "java-work", "aaa.txt");
System.out.println(path); // "D:\java-work\aaa.txt"

final var ret1 = path.relativize(Path.of("D:", "java-work"));
System.out.println(ret1); // ".."

final var ret2 = path.relativize(Path.of("D:", "xxx", "ccc.txt"));
System.out.println(ret2); // "..\..\xxx\ccc.txt"

final var path = Path.of("dir1", "dir2");
System.out.println(path); // "dir1\dir2"

final var ret1 = path.relativize(Path.of("dir1"));
System.out.println(ret1); // ".."

final var ret2 = path.relativize(Path.of("dir1", "dir2"));
System.out.println(ret2); // ""

final var ret3 = Path.of("dir1", "dir2", "aaa.txt");
System.out.println(path.relativize(ret3)); // "aaa.txt"

final var ret4 = path.relativize(Path.of("..", "dir1", "dir2", "aaa.txt"));
System.out.println(ret4); // "..\..\..\dir1\dir2\aaa.txt"

default Path resolve (String other)

Convierte una cadena de ruta dada en una ruta y la resuelve contra esta ruta exactamente de la manera especificada por el método de resolución. (Traducción automática)

final var path = Path.of("dir1");
System.out.println(path); // "dir1"
System.out.println(path.resolve("dir2")); // "dir1\dir2"
System.out.println(path.resolve("dir2").resolve("aaa.txt")); // "dir1\dir2\aaa.txt"
System.out.println(path.resolve("..")); // "dir1\.."
System.out.println(path.resolve("")); // "dir1"

default Path resolve (String first, String... more)

Convierte una cadena de ruta en una ruta, resuelve esa ruta contra esta ruta y luego realiza iterativamente el mismo procedimiento para cualquier cadena de ruta adicional. (Traducción automática)

final var path = Path.of("dir1");
System.out.println(path); // "dir1"
System.out.println(path.resolve("dir2")); // "dir1\dir2"
System.out.println(path.resolve("dir2", "aaa.txt")); // "dir1\dir2\aaa.txt"

Path resolve (Path other)

Resolver la ruta dada contra esta ruta. (Traducción automática)

final var path = Path.of("dir1");
System.out.println(path); // "dir1"
System.out.println(path.resolve(Path.of("aaa.txt"))); // "dir1\aaa.txt"
System.out.println(path.resolve(Path.of("dir2", "dir3"))); // "dir1\dir2\dir3"
System.out.println(path.resolve(Path.of(".."))); // "dir1\.."
System.out.println(path.resolve(Path.of(""))); // "dir1"

final var absolutePath = Path.of("D:", "java-work", "aaa.txt");
System.out.println(absolutePath); // "D:\java-work\aaa.txt"
System.out.println(path.resolve(absolutePath)); // "D:\java-work\aaa.txt"

default Path resolve (Path first, Path... more)

Resuelve una ruta contra esta ruta y luego resuelve iterativamente cualquier ruta adicional. (Traducción automática)

final var dir1 = Path.of("dir1");
System.out.println(dir1); // "dir1"

final var dir2 = Path.of("dir2");
System.out.println(dir2); // "dir2"

final var file = Path.of("aaa.txt");
System.out.println(file); // "aaa.txt"

System.out.println(dir1.resolve(file)); // "dir1\aaa.txt"
System.out.println(dir1.resolve(dir2, file)); // "dir1\dir2\aaa.txt"

default Path resolveSibling (String other)

Convierte una cadena de ruta dada en una ruta y la resuelve contra la ruta principal de esta ruta exactamente de la manera especificada por el método resolveSibling. (Traducción automática)

final var path = Path.of("dir1", "dir2", "foo");
System.out.println(path); // "dir1\dir2\foo"
System.out.println(path.resolveSibling("bar")); // "dir1\dir2\bar"
System.out.println(path.resolveSibling("..")); // "dir1\dir2\.."
System.out.println(path.resolveSibling("")); // "dir1\dir2"

default Path resolveSibling (Path other)

Resuelve la ruta dada contra la ruta principal de esta ruta. (Traducción automática)

final var path = Path.of("dir1", "dir2", "foo");
System.out.println(path); // "dir1\dir2\foo"
System.out.println(path.resolveSibling(Path.of("bar"))); // "dir1\dir2\bar"
System.out.println(path.resolveSibling(Path.of("aaa", "bbb"))); // "dir1\dir2\aaa\bbb"
System.out.println(path.resolveSibling(Path.of("..", "bbb"))); // "dir1\dir2\..\bbb"
System.out.println(path.resolveSibling(Path.of(""))); // "dir1\dir2"

final var absolutePath = Path.of("D:", "java-work", "aaa.txt");
System.out.println(absolutePath); // "D:\java-work\aaa.txt"
System.out.println(path.resolveSibling(absolutePath)); // "D:\java-work\aaa.txt"

default boolean startsWith (String other)

Comprueba si esta ruta comienza con una Path, construida convirtiendo la cadena de ruta dada, exactamente de la manera especificada por el método startsWith(Path). (Traducción automática)

final var path = Path.of("foo", "bar");
System.out.println(path); // "foo\bar"

System.out.println(path.startsWith("f")); // false
System.out.println(path.startsWith("fo")); // false
System.out.println(path.startsWith("foo")); // true
System.out.println(path.startsWith("foo\\")); // true
System.out.println(path.startsWith("foo\\b")); // false
System.out.println(path.startsWith("foo\\ba")); // false
System.out.println(path.startsWith("foo\\bar")); // true
System.out.println(path.startsWith("foo\\barZ")); // false

boolean startsWith (Path other)

Comprueba si esta ruta comienza con la ruta dada. (Traducción automática)

final var path = Path.of("foo", "bar");
System.out.println(path); // "foo\bar"

System.out.println(path.startsWith(Path.of("f"))); // false
System.out.println(path.startsWith(Path.of("fo"))); // false
System.out.println(path.startsWith(Path.of("foo"))); // true
System.out.println(path.startsWith(Path.of("foo", "b"))); // false
System.out.println(path.startsWith(Path.of("foo", "ba"))); // false
System.out.println(path.startsWith(Path.of("foo", "bar"))); // true
System.out.println(path.startsWith(Path.of("foo", "bar", "Z"))); // false

Path subpath (int beginIndex, int endIndex)

Devuelve una ruta relativa que es una subsecuencia de los elementos de nombre de esta ruta. (Traducción automática)

final var path1 = Path.of("dir1", "dir2", "aaa.txt");
System.out.println(path1); // "dir1\dir2\aaa.txt"

//path1.subpath(0, 0); // IllegalArgumentException
System.out.println(path1.subpath(0, 1)); // "dir1"
System.out.println(path1.subpath(0, 2)); // "dir1\dir2"
System.out.println(path1.subpath(0, 3)); // "dir1\dir2\aaa.txt"
//path1.subpath(0, 4); // IllegalArgumentException
//path1.subpath(1, 1); // IllegalArgumentException
System.out.println(path1.subpath(1, 2)); // "dir2"
System.out.println(path1.subpath(1, 3)); // "dir2\aaa.txt"
System.out.println(path1.subpath(2, 3)); // "aaa.txt"

final var path2 = Path.of("D:", "java-work", "aaa.txt");
System.out.println(path2); // "D:\java-work\aaa.txt"

System.out.println(path2.subpath(0, 1)); // "java-work"
System.out.println(path2.subpath(0, 2)); // "java-work\aaa.txt"
//path2.subpath(0, 3); // IllegalArgumentException

Path toAbsolutePath ()

Devuelve un objeto Path que representa la ruta absoluta de esta ruta. (Traducción automática)

final var userDir = System.getProperty("user.dir");
System.out.println(userDir); // "D:\java-work"

final var path1 = Path.of("aaa.txt");
System.out.println(path1); // "aaa.txt"
System.out.println(path1.toAbsolutePath()); // "D:\java-work\aaa.txt"

final var path2 = Path.of("..", "aaa.txt");
System.out.println(path2); // "..\aaa.txt"
System.out.println(path2.toAbsolutePath()); // "D:\java-work\..\aaa.txt"

final var path3 = Path.of("D:", "xxx", "bbb.txt");
System.out.println(path3); // "D:\xxx\bbb.txt"
System.out.println(path3.toAbsolutePath()); // "D:\xxx\bbb.txt"

default File toFile ()

Devuelve un objeto de archivo que representa esta ruta. (Traducción automática)

final var path = Path.of("D:", "java-work", "aaa.txt");
System.out.println(path); // "D:\java-work\aaa.txt"

final var file = path.toFile();
System.out.println(file); // "D:\java-work\aaa.txt"

System.out.println(file.createNewFile()); // true

Path toRealPath (LinkOption... options)

Devuelve la ruta real de un archivo existente. (Traducción automática)

final var userDir = System.getProperty("user.dir");
System.out.println(userDir); // "D:\java-work"

final var path = Path.of("aaa.txt");
System.out.println(path); // "aaa.txt"
System.out.println(Files.exists(path)); // false

try {
    path.toRealPath();
} catch (NoSuchFileException e) {
    System.out.println("NoSuchFileException!");
}

// Result
// ↓
//NoSuchFileException!

Files.createFile(path);
System.out.println(Files.exists(path)); // true

final var ret = path.toRealPath();
System.out.println(ret); // "D:\java-work\aaa.txt"

final var path = Path.of("D:", "java-work", "aaa.txt");
Files.createFile(path);

final var link = Path.of("D:", "java-work", "link.txt");
Files.createSymbolicLink(link, path);

// --- PowerShell ---
//PS D:\java-work> ls
// ...
//Mode                 LastWriteTime         Length Name
//----                 -------------         ------ ----
//-a---          xxxx/xx/xx    xx:xx              0 aaa.txt
//la---          xxxx/xx/xx    xx:xx              0 link.txt -> D:\java-work\aaa.txt

System.out.println(path); // "D:\java-work\aaa.txt"
System.out.println(path.toRealPath()); // "D:\java-work\aaa.txt"
System.out.println(path.toRealPath(LinkOption.NOFOLLOW_LINKS)); // "D:\java-work\aaa.txt"

System.out.println(link); // "D:\java-work\link.txt"
System.out.println(link.toRealPath()); // "D:\java-work\aaa.txt"
System.out.println(link.toRealPath(LinkOption.NOFOLLOW_LINKS)); // "D:\java-work\link.txt"

// Filename comparisons are case-insensitive on Windows.
final var path = Path.of("D:", "java-work", "aaa.txt");
Files.createFile(path);

final var path2 = Path.of("D:", "java-work", "AAA.TXT");
System.out.println(path2); // "D:\java-work\AAA.TXT"
System.out.println(path2.toRealPath()); // "D:\java-work\aaa.txt"

String toString ()

Devuelve la representación de cadena de esta ruta. (Traducción automática)

final var path1 = Path.of("dir1", "dir2", "aaa.txt");
final var str1 = path1.toString();
System.out.println(str1); // "dir1\dir2\aaa.txt"

final var path2 = Path.of("D:");
final var str2 = path2.toString();
System.out.println(str2); // "D:"

final var path3 = Path.of("D:", "java-work", "aaa.txt");
final var str3 = path3.toString();
System.out.println(str3); // "D:\java-work\aaa.txt"

final var path4 = Path.of("aaa.txt");
final var str4 = path4.toString();
System.out.println(str4); // "aaa.txt"

URI toUri ()

Devuelve una URI para representar esta ruta. (Traducción automática)

final var userDir = System.getProperty("user.dir");
System.out.println(userDir); // "D:\java-work"

final var path1 = Path.of("aaa.txt");
System.out.println(path1); // "aaa.txt"
System.out.println(path1.toUri()); // "file:///D:/java-work/aaa.txt"

final var path2 = Path.of("dir1", "dir2", "aaa.txt");
System.out.println(path2); // "dir1\dir2\aaa.txt"
System.out.println(path2.toUri()); // "file:///D:/java-work/dir1/dir2/aaa.txt"

final var path3 = Path.of("D:");
System.out.println(path3); // "D:"
System.out.println(path3.toUri()); // "file:///D:/"

final var path4 = Path.of("D:", "xxx", "aaa.txt");
System.out.println(path4); // "D:\xxx\aaa.txt"
System.out.println(path4.toUri()); // "file:///D:/xxx/aaa.txt"

Methods declared in Iterable

forEach, spliterator

Consulte el siguiente enlace.

Iterable con ejemplos

Ejemplos de API

Java : Path con ejemplos

Summary

Methods

int compareTo (Path other)

default boolean endsWith (String other)

boolean endsWith (Path other)

boolean equals (Object other)

Path getFileName ()

FileSystem getFileSystem ()

Path getName (int index)

int getNameCount ()

Path getParent ()

Path getRoot ()

int hashCode ()

boolean isAbsolute ()

default Iterator<Path> iterator ()

Path normalize ()

static Path of (String first, String... more)

static Path of (URI uri)

default WatchKey register (WatchService watcher, WatchEvent.Kind<?>... events)

WatchKey register (WatchService watcher, WatchEvent.Kind<?>[] events, WatchEvent.Modifier... modifiers)

Path relativize (Path other)

default Path resolve (String other)

default Path resolve (String first, String... more)

Path resolve (Path other)

default Path resolve (Path first, Path... more)

default Path resolveSibling (String other)

default Path resolveSibling (Path other)

default boolean startsWith (String other)

boolean startsWith (Path other)

Path subpath (int beginIndex, int endIndex)

Path toAbsolutePath ()

default File toFile ()

Path toRealPath (LinkOption... options)

String toString ()

URI toUri ()

Methods declared in Iterable

forEach, spliterator

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