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This module contains non-RDF library code and the common system runtime.

There is a newer version: 5.2.0

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.jena.atlas.lib;

import java.security.SecureRandom ;
import java.util.Random ;

public class RandomLib
{
    private RandomLib() {}
    
    /** Single instance, pure random generator */
    public static final Random random = new SecureRandom() ;
    
    /** Random numbers, good seed, cheaper allocation */
    public static final Random qrandom = randInit() ;

    private static Random randInit()
    {
        // Cheap random numbers, well seeded.
        int seed = random.nextInt() ;
        return new Random(seed) ;   
    }
    
}