Which method header represents an example of a method that only receives data but does not return data? O a. public static void calcArea (int len, int wid) O b. public static void displayMessage () O C. public static String concatName (String first, String last) O d. public static boolean isvalid (int inputValue)

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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**Question:**

Which method header represents an example of a method that only receives data but does not return data?

**Options:**

- a. `public static void calcArea(int len, int wid)`

- b. `public static void displayMessage()`

- c. `public static String concatName(String first, String last)`

- d. `public static boolean isValid(int inputValue)`

**Explanation:**

The option that represents a method that only receives data but does not return data is option **a**: `public static void calcArea(int len, int wid)`. This method accepts two data parameters (`int len` and `int wid`) but uses the `void` keyword, indicating that it does not return any data.
Transcribed Image Text:**Question:** Which method header represents an example of a method that only receives data but does not return data? **Options:** - a. `public static void calcArea(int len, int wid)` - b. `public static void displayMessage()` - c. `public static String concatName(String first, String last)` - d. `public static boolean isValid(int inputValue)` **Explanation:** The option that represents a method that only receives data but does not return data is option **a**: `public static void calcArea(int len, int wid)`. This method accepts two data parameters (`int len` and `int wid`) but uses the `void` keyword, indicating that it does not return any data.
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