int position = random.nextInt(charCategory.length()); password.append(charCategory.charAt(position)); } return new String(password); } } 这是一个用法示例, PasswordGenerator passwordGenerator = new PasswordGenerator.PasswordGeneratorBuilder() .useDigits(true) .useLower(true) .useUpper(true) .buil...
代码如下: importjava.security.SecureRandom;importjava.util.Random;publicclassPasswordGenerator{privatestaticfinalintPASSWORD_LENGTH=8;privatestaticfinalStringLOWER_CASE_CHARACTERS="abcdefghijklmnopqrstuvwxyz";privatestaticfinalStringUPPER_CASE_CHARACTERS="ABCDEFGHIJKLMNOPQRSTUVWXYZ";privatestaticfinalStringNUMBERS="01...
public class RandomPasswordGenerator { private static final String UPPER_CASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; private static final String LOWER_CASE = UPPER_CASE.toLowerCase(); private static final String NUMBERS = "0123456789"; private static final String SPECIAL_CHARACTERS = "!@#$%^&*()...
PasswordGenerator+generatePassword()+setLength()+setCharacterSets()AdvancedPasswordGenerator+generateCustomPassword() 适配层实现(代码块) publicclassPasswordGeneratorAdapter{privateAdvancedPasswordGeneratoradvancedGenerator;publicPasswordGeneratorAdapter(AdvancedPasswordGeneratorgenerator){this.advancedGenerator=generator;}publi...
import java.security.SecureRandom;public class PasswordGenerator { public static void main(String[] args) { SecureRandom random = new SecureRandom(); String uppercaseLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; String lowercaseLetters = "abcdefghijklmnopqrstuvwxyz"; String numbers = "01234567...
importjava.security.SecureRandom;publicclassPasswordGenerator{publicstaticvoidmain(String[]args){SecureRandom random=newSecureRandom();String uppercaseLetters="ABCDEFGHIJKLMNOPQRSTUVWXYZ";String lowercaseLetters="abcdefghijklmnopqrstuvwxyz";String numbers="0123456789";String specialCharacters="!@#$%^&*()_+-...
import java.util.Random; public class PasswordGenerator { public static void main(String[] args) { int numberOfPasswords = 5; // 生成密码的数量 int passwordLength = 10; // 每个密码的长度 for (int i = 0; i < numberOfPasswords; i++) { String password = generatePassword(passwordLength)...
import java.util.Base64;import java.security.SecureRandom;import java.nio.charset.StandardCharsets;public class Base64PasswordGenerator {private static final int BYTE_ARRAY_LENGTH = 9; // Base64编码后会变得更长,所以需要更短的字节数组来达到期望的密码长度private static final int PASSWORD_LENGTH = 12...
在JCA中,对于非对称密钥,公钥使用PublicKey表示,私钥使用PrivateKey表示,若要生成一个新的公私钥对,可使用KeyPairGenerator,如下: //生成新的公私钥对 public static void genKeyPair() { KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance("RSA"); keyPairGen.initialize(2048); KeyPair keyPair = ke...
创建一个名为PasswordGenerator的类,里面将包含生成密码的主要逻辑。 publicclassPasswordGenerator{// 字符源privatestaticfinalStringUPPERCASE="ABCDEFGHIJKLMNOPQRSTUVWXYZ";privatestaticfinalStringLOWERCASE="abcdefghijklmnopqrstuvwxyz";privatestaticfinalStringDIGITS="0123456789";privatestaticfinalStringSPECIAL_CHARACTERS="...