generate a random string in java

creating a a random string

/**
 * @author lautturi.com
 * Java example: java create random string
 */

import java.util.*;

public class Lautturi {
	
	public static void main(String[] args) {

		String randStr = "";
	  	// The chars that are used to generate the random string
		String chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!@#";
	  	
		int size = 10;
	  	for (int i = 0; i < size; i++) {
	      	// Add a random char from the chars string to the rand string
	  		randStr += chars.toCharArray()[new Random().nextInt(chars.length())];
		}
		// print the random string
		System.out.println(randStr);
		
	}
}

output example:

!THzS@VdC5