Java 创建一个包含给定数量的随机整数的集合。

欢马劈雪

工程师 (已认证)

原创分享签约作者

发表于实例源码

430

创建一个包含给定数量的随机整数的集合。

实例源码：

源代码：

执行

执行中...

* Copyright JTheque (Baptiste Wicht)

* 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 com.nowjava;// 来自 n o w    j a v a  . c o m

import java.util.ArrayList;

import java.util.Collection;

import java.util.Random;

public class Main {

public static void main(String[] argv) throws Exception {

int size = 2;

System.out.println(newRandomIntegerList(size));

}

private static final Random RANDOM = new Random();

/**

* Create a collection containing the given number of random integers.

* @param size The size of the collection.

* @return A Collection containing the given number of random integers.

* @throws IllegalArgumentException If size is less than 0.

public static Collection<Integer> newRandomIntegerList(int size) {

if (size < 0) {

throw new IllegalArgumentException(

"Size cannot be less than 0. ");

}

/**代码未完, 请加载全部代码(NowJava.com).**/

​x
 
​
/*
​
 * Copyright JTheque (Baptiste Wicht)
​
 *
​
 * 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 com.nowjava;// 来自 n o w    j a v a  . c o m
​
import java.util.ArrayList;
​
import java.util.Collection;
​
​
import java.util.Random;
​
​
public class Main {
​
    public static void main(String[] argv) throws Exception {
​
        int size = 2;
​
        System.out.println(newRandomIntegerList(size));
​
    }
​
​
    private static final Random RANDOM = new Random();
​
​
    /**
​
     * Create a collection containing the given number of random integers.
​
     *
​
     * @param size The size of the collection.
​
     *
​
     * @return A Collection containing the given number of random integers.
​
     *
​
     * @throws IllegalArgumentException If size is less than 0.
​
     */
​
    public static Collection<Integer> newRandomIntegerList(int size) {
​
        if (size < 0) {
​
            throw new IllegalArgumentException(
​
                    "Size cannot be less than 0. ");
​
        }
​
​
/**代码未完, 请加载全部代码(NowJava.com).**/