Java Random String getString(int length)

Description

get String

License

Open Source License

Declaration

public static String getString(int length) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.Random;

public class Main {
    private static final char[] LETTERS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ".toCharArray();
    private static Random r = new Random();

    public static String getString(int length) {
        StringBuilder sb = new StringBuilder(length);
        while (length-- > 0) {
            sb.append(randomChar(LETTERS));
        }//from w w w.  j  av a2s. c o  m
        return sb.toString();
    }

    private static char randomChar(char[] letters) {
        int index = r.nextInt(letters.length);
        return letters[index];
    }
}

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8. randomCharacter(String availableValues)
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