Determine whether a directory exists in java and create it if it does not exist

Knowledge supplement:

endsWith() method is used to test whether the string ends with the specified suffix.

More learning video recommendations: Introduction to java language

Examples:

 //String dirName = "D:/work/temp/temp0/temp1"; 
    public static boolean createDir(String destDirName) {  
        File dir = new File(destDirName);  
        if (dir.exists()) {  
            System.out.println("创建目录" + destDirName + "失败，目标目录已经存在");  
            return false;  
        }  
        if (!destDirName.endsWith(File.separator)) {  
            destDirName = destDirName + File.separator;  
        }  
        //创建目录  
        if (dir.mkdirs()) {  
            System.out.println("创建目录" + destDirName + "成功！");  
            return true;  
        } else {  
            System.out.println("创建目录" + destDirName + "失败！");  
            return false;  
        }  
    }

Related article recommendations: Introduction to java programming

The above is the detailed content of Determine whether a directory exists in java and create it if it does not exist. For more information, please follow other related articles on the PHP Chinese website!