random.nextInt()
时间: 2023-10-27 13:44:06 浏览: 48
`random.nextInt()`是Java中的一个方法,它返回一个随机数。如果不传入任何参数,则返回一个随机的int值,该值可以是正数、负数或零。如果传入一个正整数n,则返回一个在0(包括0)和n(不包括n)之间的随机数。例如,`random.nextInt(10)`将返回一个在0和9之间的随机数。需要注意的是,如果传入的参数是负数,则会抛出IllegalArgumentException异常。
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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