High School

We appreciate your visit to What are the ranges of the random integers generated by the following code java int a rand nextInt 100 int b rand nextInt 20 50. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!

What are the ranges of the random integers generated by the following code?

```java
int a = rand.nextInt(100);
int b = rand.nextInt(20) + 50;
int c = rand.nextInt(20) + 50;
int d = rand.nextInt(100) - 20;
int e = rand.nextInt(10) * 4;
```

1) 0 to 99, 50 to 69, 50 to 69, -20 to 79, 0 to 36
2) 1 to 100, 50 to 69, 50 to 69, -20 to 79, 0 to 36
3) 0 to 99, 50 to 69, 50 to 69, -20 to 79, 0 to 40
4) 1 to 100, 50 to 69, 50 to 69, -20 to 79, 0 to 40

Answer :

Final answer:

The correct ranges for the given code snippets are 0 to 99, 50 to 69, 50 to 69, -20 to 79, and 0 to 36, showcasing how rand.nextInt() and arithmetic operations can be used to obtain specific ranges of random integers in Java.

Explanation:

The question asks about the ranges of random integers generated by specific code snippets. Understanding how the rand.nextInt() method works in Java is crucial to answering this question accurately. This method can generate a series of pseudorandom numbers within a specific range.

  • int a = rand.nextInt(100); generates numbers from 0 to 99.
  • int b = rand.nextInt(20) + 50; and int c = rand.nextInt(20) + 50; both generate numbers from 50 to 69.
  • int d = rand.nextInt(100) - 20; generates numbers from -20 to 79.
  • int e = rand.nextInt(10) * 4; generates numbers that are multiples of 4, within the range 0 to 36 (as the highest multiple of 4 less than 40, which is the maximum generated by rand.nextInt(10), is 36).

Thus, the correct answer is option 1) 0 to 99, 50 to 69, 50 to 69, -20 to 79, 0 to 36. This showcases the versatility of rand.nextInt() and arithmetic operations to obtain a desired range of random integers in Java programming.

Thanks for taking the time to read What are the ranges of the random integers generated by the following code java int a rand nextInt 100 int b rand nextInt 20 50. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

Rewritten by : Barada