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

王林
Release: 2019-11-25 11:28:52
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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;  
        }  
    }
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Related article recommendations: Introduction to java programming

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