2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.dmaap.dbcapi.util;
23 import java.util.Date;
24 // source: http://www.javapractices.com/topic/TopicAction.do?Id=62
25 // with some modifications
26 import java.util.Random;
29 public final class RandomInteger {
30 private static Random randomGenerator;
33 public RandomInteger( int r ) {
34 randomGenerator = new Random();
35 randomGenerator.setSeed((new Date()).getTime());
40 return randomGenerator.nextInt(range);
43 /** Generate 10 random integers in the range 0..99.
44 public static final void main(String... aArgs){
45 log("Generating 10 random integers in range 0..99.");
46 RandomInteger ri = new RandomInteger(100);
47 //note a single Random object is reused here
49 for (int idx = 1; idx <= 10; ++idx){
50 int randomInt = ri.next();
51 log("Generated : " + randomInt);
57 private static void log(String aMessage){
58 System.out.println(aMessage);