Java Random randomIterable(Collection col)

Description

Takes given collection, shuffles it and returns iterable instance.

License

Open Source License

Parameter

Parameter	Description
T	Type of elements to create iterator for.
col	Collection to shuffle.

Return

Iterable instance over randomly shuffled collection.

Declaration

public static <T> Iterable<T> randomIterable(Collection<T> col) 

Method Source Code

//package com.java2s;
/* //from   w  w w .  ja  v a 2 s  . c o m
 Copyright (C) GridGain Systems. All Rights Reserved.
     
 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.
 */

import java.util.*;

public class Main {
    /**
     * Takes given collection, shuffles it and returns iterable instance.
     *
     * @param <T> Type of elements to create iterator for.
     * @param col Collection to shuffle.
     * @return Iterable instance over randomly shuffled collection.
     */
    public static <T> Iterable<T> randomIterable(Collection<T> col) {
        List<T> list = new ArrayList<>(col);

        Collections.shuffle(list);

        return list;
    }
}

Related

1. randomInRange(double min, double max)
2. randomInsults()
3. randomIntArray(int len, Random rand)
4. randomIntegerList(int sz, int min, int max)
5. randomIntegers(int sz)
6. randomKey()
7. randomKey()
8. randomLetter()
9. randomList(Collection collection)