Jan 30, 2025 · Jan 18, 2025 · Jan 18, 2025 · Jan 18, 2025 · Jan 18, 2025 · Jan 18, 2025
diff --git a/snippets/java/string-manipulation/password-generator.md b/snippets/java/string-manipulation/password-generator.md
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	---
	title: Password Generator
	description: Generates a random string with specified length and character set, including options for letters, numbers, and special characters
	author: Mcbencrafter
	tags: string,password,generator,security,random,token
	---

	```java
	public static String randomString(int length, boolean useLetters, boolean useNumbers, boolean useSpecialCharacters) {
	String characters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
	String numbers = "0123456789";
	String specialCharacters = "!@#$%^&*()_+-=[]{}\|;:,.<>?";

	String allowedCharacters = "";

	if (useLetters)
	allowedCharacters += characters;

	if (useNumbers)
	allowedCharacters += numbers;

	if (useSpecialCharacters)
	allowedCharacters += specialCharacters;

	SecureRandom random = new SecureRandom();
	StringBuilder result = new StringBuilder(length);

	for (int i = 0; i < length; i++) {
	int index = random.nextInt(allowedCharacters.length());
	result.append(allowedCharacters.charAt(index));
	}

	return result.toString();
	}

	// Usage:
	System.out.println(randomString(10, true, true, false)); // Random string containing letters, numbers but no special characters with 10 characters
	```