java nextlong

隨機類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()方法用于從此隨機值生成器生成下一個偽隨機分布的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()方法是一個非靜態方法，只能通過類對象訪問，如果嘗試使用類名稱訪問該方法，則會收到錯誤消息。

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

  返回long時， nextLong()方法不會引發異常。

Syntax:

句法：

public long nextLong();

Parameter(s):

參數：

• It does not accept any parameter.

  它不接受任何參數。

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.

此方法的返回類型為long ，它從此Random Generator返回下一個偽隨機分布的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

輸出量

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

翻譯自: https://www.includehelp.com/java/random-nextlong-method-with-example.aspx

java nextlong

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