Switch on String

Java 7 以前

只支持 int 和 enum 型態。

Java 7 以後

支持了 String 型態

switch (token) {
    case ("one"):
        return "Token one identified";
 
    case ("two"):
        return "Token one identified";
 
    case ("three"):
        return "Token one identified";
 
    case ("four"):
        return "Token one identified";
 
    default:
        return "No token was identified";
}

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