RadomTextGeneration

RandomTextGenerator.java

import java.util.Random;

/**
 * Created by sandeep on 7/16/14.
 */
public class RandomTextGenerator {

    public static String generateText(int length, char[] permissibleCharacters) {
        Random rand = new Random();

        StringBuilder str = new StringBuilder();

        while (str.length() < length) {
            str.append(permissibleCharacters[rand.nextInt(permissibleCharacters.length)]);
        }

        return str.toString();
    }
}