Mega Code Archive
Generate string consists of random characters
<![CDATA[
/* $Id: StringUtil.java 43 2008-06-24 13:22:56Z takao.nakaguchi $
*
* Copyright 2008 Takao Nakaguchi.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//package jp.whitedog.util;
import java.util.Random;
/**
* Utilities related to String.
* @author Takao Nakaguchi
*/
public class StringUtil {
/**
* generate string consists of random characters.
* @param length length of generated string
* @return string
*/
public static String randomString(int length){
StringBuilder b = new StringBuilder();
for(int i = 0; i < length; i++){
b.append(base.charAt(random.nextInt(base.length())));
}
return b.toString();
}
private static String base = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabsdefghijklmnopqrstuvwxyz";
private static Random random = new Random();
}
]]>