
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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For java. Refer to picture.
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### Problem Statement: Implement a Method to Return a Substring from an Array
In this problem, you will implement a method that will return a `String` with an array's elements separated by spaces. The method will receive three parameters: the integer array, a start index, and an end index. **Both start and end are inclusive.** The method's signature is as follows:
```java
public static String printRange(int[], int, int)
```
**Note:** (Make the method public to facilitate testing)
If the indexes are outside the bounds of the array, the method should return `"Invalid Range."` Otherwise, the method will return a `String` containing one integer after the other on the same line separated by one space.
**Example 1:**
Given `[4, 1, 2, 36, 6]`, `1`, `3` as the parameters; the method should return `"1 2 36"`
**Example 2:**
Given `[4, 1, 2, 36, 6]`, `0`, `7` as the parameters; the method should return `"Invalid Range"`
There are no I/O tests on this problem; all tests are unit tests. This means that you don't have to worry about creating a scanner or even the main method. All you have to do is implement the method, and Mimir will test your method directly. The tests will only run if the method's signature is correct.
---
This educational content elaborates on how to handle array substrings and validate index ranges while maintaining proper method signatures for testing purposes using Java.](https://content.bartleby.com/qna-images/question/4ff7b463-2271-4806-9568-a63428385e39/e800737c-e686-47e4-8301-99d381fd19e3/sj5w1c9_thumbnail.png)
Transcribed Image Text:---
### Problem Statement: Implement a Method to Return a Substring from an Array
In this problem, you will implement a method that will return a `String` with an array's elements separated by spaces. The method will receive three parameters: the integer array, a start index, and an end index. **Both start and end are inclusive.** The method's signature is as follows:
```java
public static String printRange(int[], int, int)
```
**Note:** (Make the method public to facilitate testing)
If the indexes are outside the bounds of the array, the method should return `"Invalid Range."` Otherwise, the method will return a `String` containing one integer after the other on the same line separated by one space.
**Example 1:**
Given `[4, 1, 2, 36, 6]`, `1`, `3` as the parameters; the method should return `"1 2 36"`
**Example 2:**
Given `[4, 1, 2, 36, 6]`, `0`, `7` as the parameters; the method should return `"Invalid Range"`
There are no I/O tests on this problem; all tests are unit tests. This means that you don't have to worry about creating a scanner or even the main method. All you have to do is implement the method, and Mimir will test your method directly. The tests will only run if the method's signature is correct.
---
This educational content elaborates on how to handle array substrings and validate index ranges while maintaining proper method signatures for testing purposes using Java.
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