Question

In: Computer Science

Write a switch statement that uses the colour of a swab sample of COVID testing vehicle...

Write a switch statement that uses the colour of a swab sample of COVID testing vehicle to send a message to a local doctor. Use the messages given for each colour in the table below. Justify your answer.                                                                                        

Colour

Message

Blue

“No virus”

Yellow

“Needs to be under observation”

Red

“Needs to be admitted in COVID ward”

Solutions

Expert Solution

Hi,

I am done this with the Javascript. You can find out the below code and you can use the swith logic in any language. Just need to modify the Control which need to modify.

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
    <script src="https://code.jquery.com/jquery-1.9.1.min.js"></script>
    <script>
        $(document).ready(function () {
            //This function will execute when HTML dom elements loaded in the Browser
            var btn = $("#btnSendMessage").off("click").on("click", function () {
                //Button Click Events
                CallSwitchStatement();
            })

            //This function will execute when HTML dom elements loaded in the Browser
            var btn = $("#btnClearMessage").off("click").on("click", function () {
                //Button Click Events

                //Clear the Text Value
                $("#txtColor").val("");

                //Call the switch statement
                CallSwitchStatement();
            })

            //Switch Statement
            function CallSwitchStatement() {
                //Get the Messate which need to send
                //we have set message in lower cases and accordingly we have set it to the switch statement
                var Message = $("#txtColor").val().trim().toLowerCase();

                //Switch statement on Message
                switch (Message) {
                    //No Virus Case
                    case "no virus":
                        $($("#txtColor")[0]).css("color", "blue");
                        break;
                    //needs to be under observation Case
                    case "needs to be under observation":
                        $($("#txtColor")[0]).css("color", "Yellow");
                        break;
                    //needs to be admitted in covid ward Case
                    case "needs to be admitted in covid ward":
                        $($("#txtColor")[0]).css("color", "Red");
                        break;
                    //Default Case
                    default:
                        $($("#txtColor")[0]).css("color", "Black");
                }
            }

        });
    </script>
</head>
<body>
    <input type="text" id="txtColor" style="width:400px;height:20px" />
    <input type="button" id="btnSendMessage" value="Check Message Color" style="width:200px;height:20px" />
    <input type="button" id="btnClearMessage" value="Clear Message Color" style="width:200px;height:20px" />
</body>
</html>

Output:

When this HTML loaded in browser and when you entered the cases as below

1) No Virus/no virus/No virus

Chech result after Click the button - Check Message Color

Chech result after Click the button - Clear Message Color

2) Needs to be under Observation/needs to be under observation

Chech result after Click the button - Check Message Color

Chech result after Click the button - Clear Message Color

2) Needs to be admitted in COVID ward/needs to be admitted in covid ward

Chech result after Click the button - Check Message Color

Chech result after Click the button - Clear Message Color

venereology answered 2 years ago
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