[Solved] Java switch runs all cases if no break

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Your question is probably a duplicate of something else, but the reason is that case statement within a Java switch by default will flow onto the next case statement unless a break be explicitly mentioned. To better understand why the case statements behave this way, an example would make this clear. Let’s say that you wanted the same logic to happen for Monday, Tuesday, and Wednesday. Then, you could use the following:

switch (day) {
    case 1:
    case 2:
    case 3:
        System.out.println("Today is Monday, Tuesday, or Wednesday");
        break;

    case 4:
        System.out.println("Today is Thursday");
        break;

    case 7:
        System.out.println("Today is Sunday");
        break;
}

solved Java switch runs all cases if no break