Introduction - If you have any usage issues, please Google them yourself
Collection of 28 popular Java development tools library source code, such as Base64.java encryption and decryption, FileHelper.java file helper class, FileUploadUtil.java file upload class, MD5Encrypt.java MD5 encryption class, MyFileFilter.java file filter class, DateHandler . java class, Counter.java feature count, etc., in addition to CConst.java, Escape.java, SimpleConfig.java, StringHelper.java, CharTools.java so on. CTool.java collected some of the Java programming tools used to WEB development, in order to avoid the formation of such an instance, the constructor is declared as private types