setseed

隨機類setSeed()方法 (Random Class setSeed() method)

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

  setSeed()方法在java.util包中可用。

• setSeed() method is used to set the given seed of this Random Number Generator.

  setSeed()方法用于設置此隨機數生成器的給定種子。

• setSeed() 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.

  setSeed()方法是一個非靜態方法，只能使用類對象訪問，如果嘗試使用類名稱訪問該方法，則會收到錯誤消息。

• setSeed() method does not throw an exception at the time of set seed.

  setSeed()方法在設置種子時不會引發異常。

Syntax:

句法：

public void setSeed(long ss);

Parameter(s):

參數：

• long ss – represents the seed.

  long ss –表示種子。

Return value:

返回值：

The return type of this method is void, it returns nothing.

此方法的返回類型為void ，不返回任何內容。

Example:

例：

// Java program to demonstrate the example // of void setSeed(long ss) method of // Randomimport java.util.*;public class SetSeedOfRandom {public static void main(String args[]) {// Instantiates Random objectRandom ran = new Random();// Display random value before seedSystem.out.println("ran: " + ran.nextInt());// By using setSeed(50) method is// to set the seed value of this// Random Value Generator by the given// seed parameterran.setSeed(50);// Display random value after seedSystem.out.println("ran.setSeed(50): " + ran.nextInt());} }

Output

輸出量

RUN 1: ran: -983822763 ran.setSeed(50): -1160871061RUN 2: ran: -460404281 ran.setSeed(50): -1160871061RUN 3: ran: 316540002 ran.setSeed(50): -1160871061

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

setseed

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