java nextlong_Java Random nextLong（）方法与示例

java nextlong

随机类nextLong()方法 (Random Class nextLong() method)

• nextLong() method is available in java.util package.

  nextLong()方法在java.util包中可用。

• nextLong() method is used to generate the next pseudo-random distributed long value from this Random Value Generator.

  nextLong()方法用于从此随机值生成器生成下一个伪随机分布的long值。

• nextLong() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.

  nextLong()方法是一个非静态方法，只能通过类对象访问，如果尝试使用类名称访问该方法，则会收到错误消息。

• nextLong() method does not throw an exception at the time of returning long.

  返回long时， nextLong()方法不会引发异常。

Syntax:

句法：

public long nextLong();

Parameter(s):

参数：

• It does not accept any parameter.

  它不接受任何参数。

Return value:

返回值：

The return type of this method is long, it returns next pseudo-random distributed long value from this Random Generator.

此方法的返回类型为long ，它从此Random Generator返回下一个伪随机分布的long值。

Example:

例：

// Java program to demonstrate the example // of long nextLong() method of // Randomimport java.util.*;public class NextLongOfRandom {public static void main(String args[]) {// Instantiates Random objectRandom ran = new Random();// By using nextLong() method is// to return next long pseudo-random// value by using Random Value Generatorlong val = ran.nextLong();// Display valSystem.out.println("ran.nextLong(): " + val);} }

Output

输出量

RUN 1: ran.nextLong(): -4596974571565686285RUN 2: ran.nextLong(): -9134914682951001192RUN 3: ran.nextLong(): -1748135394404806207

翻译自: https://www.includehelp.com/java/random-nextlong-method-with-example.aspx

java nextlong

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