e018. determining if a filename path is a file or a directory.txt

来自「这里面包含了一百多个JAVA源文件」· 文本 代码 · 共 9 行

File dir = new File("directoryName");
    
    boolean isDir = dir.isDirectory();
    if (isDir) {
        // dir is a directory
    } else {
        // dir is a file
    }