Random().nextInt()
时间: 2023-11-29 14:03:57 浏览: 14
这是 Java 中的一个随机数生成函数,它返回一个伪随机数。如果没有给定参数,它将返回一个随机的 int 值,可以是正数、负数或零。如果给定参数 n,则会返回一个介于 0(包括)和 n(不包括)之间的随机 int 值。需要注意的是,这个函数并不是真正的随机数生成器,而是根据一个种子值生成伪随机数序列。如果使用相同的种子值,将会生成相同的随机数序列。
相关问题
random.nextint
As an AI language model, I do not have access to a specific context or programming language. However, "random.nextInt" is a method used in Java to generate a random integer value within a specified range. It is part of the "java.util.Random" class and can be used as follows:
Syntax: random.nextInt(n)
- "random" is an instance of the "Random" class.
- "n" is the upper bound of the range (exclusive).
- The method returns a random integer between 0 (inclusive) and n (exclusive).
Example:
import java.util.Random;
public class RandomExample {
public static void main(String[] args) {
Random random = new Random();
int randomNumber = random.nextInt(10);
System.out.println("Random number: " + randomNumber);
}
}
Output:
Random number: 7 (this value will vary every time the program is executed)
random.nextInt
As an AI language model, I do not have access to the Java Random class, which contains the nextInt method. However, in Java, the nextInt method of the Random class is used to generate a random integer. The syntax for generating a random integer between 0 (inclusive) and a specified upper bound (exclusive) using the nextInt method is as follows:
```
Random random = new Random();
int randomNumber = random.nextInt(upperBound);
```
For example, if we want to generate a random integer between 0 and 10 (exclusive), we can use the following code:
```
Random random = new Random();
int randomNumber = random.nextInt(10);
```
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