$ javac src/Guards.java && java Guards     (25.0.4.1+1-LTS)
empty string
short string: abc
long string: abcdefgh
negative -4
int 12
other

$ javac src/Guards.java && java Guards     (27+35)
empty string
short string: abc
long string: abcdefgh
negative -4
int 12
other

$ javac broken/Dominated.java     (25.0.4.1+1-LTS)
broken/Dominated.java:5: error: this case label is dominated by a preceding case label
            case String s -> "string";      // String is a CharSequence, so this can never be reached
                 ^
1 error

$ javac broken/Dominated.java     (27+35)
broken/Dominated.java:5: error: this case label is dominated by a preceding case label
            case String s -> "string";      // String is a CharSequence, so this can never be reached
                 ^
1 error

$ javac broken/GuardBeforeGeneral.java     (25.0.4.1+1-LTS)
broken/GuardBeforeGeneral.java:5: error: this case label is dominated by a preceding case label
            case String s when s.isEmpty() -> "empty string";   // guarded case after the unguarded one
                 ^
1 error

$ javac broken/GuardBeforeGeneral.java     (27+35)
broken/GuardBeforeGeneral.java:5: error: this case label is dominated by a preceding case label
            case String s when s.isEmpty() -> "empty string";   // guarded case after the unguarded one
                 ^
1 error