how to get all the names of the files in a folder in java?
List<String> results = new ArrayList<String>(); File[] files = new File("/path/to/the/directory").listFiles(); //If this pathname does not denote a directory, then listFiles() returns null. for (File file : files) { if (file.isFile()) { results.add(file.getName()); } }
java get all files in directory
public static List<String> mapFolder(String path, boolean includeEmptyFolders) { List<String> map = new ArrayList<String>(); List<String> unmappedDirs = new ArrayList<String>(); File[] items = new File(path).listFiles(); if (!path.substring(path.length() - 1).equals("/")) { path += "/"; } if (items != null) { for (File item : items) { if (item.isFile()) map.add(path+item.getName()); else unmappedDirs.add(path+item.getName()); } if (!unmappedDirs.isEmpty()) { for (String folder : unmappedDirs) { List<String> temp = mapFolder(folder, includeEmptyFolders); if (!temp.isEmpty()) { for (String item : temp) map.add(item); } else if (includeEmptyFolders == true) map.add(folder+"/"); } } } return map; }
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