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Examples: dayOfWeek (1) -> "Sunday" dayOfWeek(4) -> "Wednesday"

Examples: dayOfWeek (1) -> "Sunday" dayOfWeek(4) -> "Wednesday"

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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### Converting Numbers to Day of the Week This instructional guide demonstrates how you can write a method to convert a numerical representation of a day into its corresponding name in Java. #### Examples: - `dayOfWeek(1)` -> `"Sunday"` - `dayOfWeek(4)` -> `"Wednesday"` #### Your Task: Implement the `dayOfWeek` method such that it accepts an integer representing a day of the week (1 for Sunday, 2 for Monday, etc.) and returns the corresponding day as a string. Here is the skeleton of the method you will need to complete: ```java public String dayOfWeek(int dayNum) { // Your code goes here } ``` #### Explanation of the Java Method: You need to write a method named `dayOfWeek` which takes an integer parameter `dayNum`. The purpose of this method is to return the day of the week as a string based on the input integer. ### Sample Implementation: Here is a potential way to implement this method: ```java public String dayOfWeek(int dayNum) { switch (dayNum) { case 1: return "Sunday"; case 2: return "Monday"; case 3: return "Tuesday"; case 4: return "Wednesday"; case 5: return "Thursday"; case 6: return "Friday"; case 7: return "Saturday"; default: return "Invalid day number"; } } ``` In this implementation, the switch statement is used to map each input number to its corresponding day of the week. If the input number does not fall within the range of 1 to 7, the method returns "Invalid day number."
Transcribed Image Text:### Converting Numbers to Day of the Week This instructional guide demonstrates how you can write a method to convert a numerical representation of a day into its corresponding name in Java. #### Examples: - `dayOfWeek(1)` -> `"Sunday"` - `dayOfWeek(4)` -> `"Wednesday"` #### Your Task: Implement the `dayOfWeek` method such that it accepts an integer representing a day of the week (1 for Sunday, 2 for Monday, etc.) and returns the corresponding day as a string. Here is the skeleton of the method you will need to complete: ```java public String dayOfWeek(int dayNum) { // Your code goes here } ``` #### Explanation of the Java Method: You need to write a method named `dayOfWeek` which takes an integer parameter `dayNum`. The purpose of this method is to return the day of the week as a string based on the input integer. ### Sample Implementation: Here is a potential way to implement this method: ```java public String dayOfWeek(int dayNum) { switch (dayNum) { case 1: return "Sunday"; case 2: return "Monday"; case 3: return "Tuesday"; case 4: return "Wednesday"; case 5: return "Thursday"; case 6: return "Friday"; case 7: return "Saturday"; default: return "Invalid day number"; } } ``` In this implementation, the switch statement is used to map each input number to its corresponding day of the week. If the input number does not fall within the range of 1 to 7, the method returns "Invalid day number."
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