Hutool 3.9 ✦

: Modules are built with static methods, allowing developers to invoke powerful logic in a single line of code.

// Copy file data with automatic stream closure guarantees File srcFile = FileUtil.file("input.txt"); File destFile = FileUtil.file("output.txt"); FileUtil.copy(srcFile, destFile, true); // true overrides existing target files // Direct string-to-file injection FileUtil.writeUtf8String("Injecting line text content.", destFile); Use code with caution. Integrating Hutool 3.9 into Your Projects Hutool 3.9

public class StringExample public static void main(String[] args) String text = " Hello, World! "; : Modules are built with static methods, allowing

import cn.hutool.crypto.SecureUtil; import cn.hutool.crypto.symmetric.SymmetricAlgorithm; import cn.hutool.crypto.symmetric.SymmetricCrypto; public class CryptoExample public static void main(String[] args) String secretData = "SensitiveUserPassword123"; // 1. Fast MD5 / SHA-256 Hashing String md5Hex = SecureUtil.md5(secretData); String sha256Hex = SecureUtil.sha256(secretData); // 2. AES Encryption and Decryption byte[] key = SecureUtil.generateKey(SymmetricAlgorithm.AES.getValue()).getEncoded(); SymmetricCrypto aes = SecureUtil.aes(key); // Encrypt String encryptedHex = aes.encryptHex(secretData); // Decrypt String decryptedStr = aes.decryptStr(encryptedHex); System.out.println("Decrypted Match: " + secretData.equals(decryptedStr)); Use code with caution. Module D: Lightweight HTTP Engine ( HttpUtil ) "; import cn

Hutool 3.9 is a comprehensive Java library that provides a wide range of utilities and functionalities to simplify Java development. With its improved performance, new features, and enhanced support for Java 17, Hutool 3.9 is an indispensable tool for Java developers. Whether you're working on web development, enterprise software, or mobile app development, Hutool 3.9 can help you complete tasks more quickly and efficiently, reducing code and improving productivity. If you're a Java developer looking to take your skills to the next level, Hutool 3.9 is definitely worth checking out.