Introduction to the method of determining whether a directory exists in java

Java method to determine whether a directory exists: (Recommended: java video tutorial)

/**
     * 判断文件夹是否存在
     * @param file
     */
    public void checkDirExists(File file) {
        if (file.exists()) {
            if (file.isDirectory()) {
                LOG.info("目录存在");
            } else {
                LOG.info("同名文件存在, 不能创建");
            }
        } else {
            LOG.info("目录不存在，创建目录");
            file.mkdir();
        }
    }
}

exists()

public boolean exists() tests whether the file or directory represented by this abstract pathname exists.

Throws: SecurityException if a security manager exists and its SecurityManager.checkRead(java.lang.String) method denies write access to the file or directory.

isDirectory()

isDirectory() in java checks whether an object is a folder. The return value is of type boolean. Returns true if so, false otherwise.

The calling method is: object.isDirectory() without specifying parameters.

For more java knowledge, please pay attention to the java basic tutorial column.

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