Answered: I need help writing a method that…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

I need help writing a method that implements the following specification. I want to name the method changeItUp:

/**
* Returns a character based on the following chart:
*
* When num is: | changeItUp returns
* ---------------------------------
* 3 | 'E'
* 4 | 'H'
* 5 | 'S'
* anything else | '@'
*
* @param num an integer
* @return a single character as described above
*/

Expert Solution

Step 1

Solution:

Given,

When num is: | changeItUp returns
* -----------------------------------------------
* 3 | 'E'
* 4 | 'H'
* 5 | 'S'
* anything else | '@'
*

Implementation of changeItUp method-

public static char changeItUp(int num){
if(num == 3){
return 'E';
}else if(num == 4){
return 'H';
}else if(num == 5){
return 'S';
}else{
return '@';
}

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