create Random Char Sequence - Java java.util

Java examples for java.util:Random String

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Description

create Random Char Sequence

Demo Code


//package com.java2s;
import java.security.SecureRandom;

public class Main {
    private final static String POSIBLE_SYMBOLS = "qwertzuiopasdfghjklyxcvbnmMNBCXYLKJHGFDSAPOIUZTRWQ1234567890";

    public static String createRandomCharSequence(int size) {

        String randomSymbols = "";
        SecureRandom randomizer = new SecureRandom();
        for (int i = 0; i < size; i++) {
            int index = randomizer.nextInt(POSIBLE_SYMBOLS.length());
            char nextSymbol = POSIBLE_SYMBOLS.charAt(index);
            randomSymbols += nextSymbol;
        }/*from w  w w.jav  a  2 s.  co  m*/
        return randomSymbols;
    }
}

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