Question

How to generate random password in Java

Answer 1

import java.util.Random;

public class MyClass {
    public static String generateRandomPassword(int len) {
		String chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!@#$%&";
		
		Random rnd = new Random();
		StringBuilder sb = new StringBuilder(len);
		for (int i = 0; i < len; i++)
			sb.append(chars.charAt(rnd.nextInt(chars.length())));
		
		return sb.toString();
	}
    public static void main(String args[]) {
        System.out.println(generateRandomPassword(8));
    }
}



/*
run:

@%sPh5E2

*/

 

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