int a = whatever;
String myString = "";

if (a == 1) {
    myString = "Small";
}

int a = whatever;
String myString = "";

switch (a) {
    case 1:
        myString = "Tiny";
        break;
    case 2:
        myString = "Small";
        break;
    case 3:
        myString = "Big";
        break;
    case 4:
        myString = "Huge";
        break;
    default:
        myString = "UNKNOWN"
}