# Module jdk.zipfs

Provides the implementation of the Zip file system provider. The Zip file system provider treats the contents of a Zip or JAR file as a file system.

### Accessing a Zip File System

The FileSystems `newFileSystem` static factory methods can be used to:

- Create a Zip file system
- Open an existing file as a Zip file system

### URI Scheme Used to Identify the Zip File System

The URI `scheme` that identifies the ZIP file system is `jar`.

### Zip File System Properties

The following properties may be specified when creating a Zip file system:

Configurable properties that may be specified when creating a new Zip file system
Property Name | Data Type | Default Value | Description
--- | --- | --- | ---
create | java.lang.String | false | If the value is `true`, the Zip file system provider creates a new Zip or JAR file if it does not exist.
encoding | java.lang.String | UTF-8 | The value indicates the encoding scheme for the names of the entries in the Zip or JAR file.

### Examples:

Construct a new Zip file system that is identified by a URI. If the Zip file does not exist, it will be created:

         URI uri = URI.create("jar:file:/home/luckydog/tennisTeam.zip");
         Map<String, String> env = Map.of("create", "true");
         FileSystem zipfs = FileSystems.newFileSystem(uri, env);

Construct a new Zip file system that is identified by specifying a path and using automatic file type detection. Iterate from the root of the JAR displaying each found entry:

         FileSystem zipfs = FileSystems.newFileSystem(Path.of("helloworld.jar"), null);
         Path rootDir = zipfs.getPath("/");
         Files.walk(rootDir)
                .forEach(System.out::println);

Since:
  9

- - ## Services

    Provides
    Type | Description
    --- | ---
    FileSystemProvider |