Java枚舉的switch語句編寫方法是什么

小樊
84
2024-08-09 09:34:40
欄目: 編程語言

在Java中,可以使用switch語句處理枚舉類型。下面是一個(gè)示例代碼,展示了如何使用switch語句處理枚舉類型:

public enum Day {
    MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY
}

public class Main {
    public static void main(String[] args) {
        Day day = Day.MONDAY;

        switch(day) {
            case MONDAY:
                System.out.println("Today is Monday");
                break;
            case TUESDAY:
                System.out.println("Today is Tuesday");
                break;
            case WEDNESDAY:
                System.out.println("Today is Wednesday");
                break;
            case THURSDAY:
                System.out.println("Today is Thursday");
                break;
            case FRIDAY:
                System.out.println("Today is Friday");
                break;
            case SATURDAY:
                System.out.println("Today is Saturday");
                break;
            case SUNDAY:
                System.out.println("Today is Sunday");
                break;
            default:
                System.out.println("Invalid day");
        }
    }
}

在上面的示例中,我們首先定義了一個(gè)枚舉類型Day,然后在Main類中使用switch語句根據(jù)不同的枚舉值執(zhí)行不同的操作。在switch語句中,我們列出了枚舉類型Day的所有可能取值,并針對(duì)每個(gè)值編寫了相應(yīng)的處理邏輯。如果枚舉類型Day的取值不在case列表中,則執(zhí)行default分支的操作。

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