Lab: choosing between many options with switch

When a single value selects one of several fixed outcomes, a switch statement says so more plainly than a stack of else if lines.

The task

Store a short code, then display a friendly description for each value the code can hold, with a default for anything unexpected.

string sizeCode = "M";

switch (sizeCode)
{
    case "S":
        label.Text = "Small";
        break;
    case "M":
        label.Text = "Medium";
        break;
    default:
        label.Text = "Unknown size";
        break;
}

What to notice

• Each case ends with break, which stops the code falling into the next case.
• The default case catches everything else, which protects you from unexpected input.
• A switch reads like a list of possibilities, which is easier to scan than a condition chain.

Next, repeat work efficiently with the for loop lab.