package dfa; public class SwitchWithPrimitivesNotAllowed { public static void main(String[] args) { testPrimitives(); testWrappers(); } private static void testWrappers() { Boolean b = true; switch (b) { default -> System.out.println("1"); } Integer i = 1; switch (i) { default -> System.out.println("1"); } Short s = 1; switch (s) { default -> System.out.println("1"); } Byte by = 1; switch (by) { default -> System.out.println("1"); } Character ch = '1'; switch (ch) { default -> System.out.println("1"); } Long l = 1L; switch (l) { default -> System.out.println("1"); } Double d = 1.0; switch (d) { default -> System.out.println("1"); } Float f = 1.0F; switch (f) { default -> System.out.println("1"); } } private static void testPrimitives() { boolean b = true; switch (b) {//error default -> System.out.println("1"); } int i = 1; switch (i) { default -> System.out.println("1"); } short s = 1; switch (s) { default -> System.out.println("1"); } byte by = 1; switch (by) { default -> System.out.println("1"); } char ch = '1'; switch (ch) { default -> System.out.println("1"); } long l = 1L; switch (l) { //error default -> System.out.println("1"); } double d = 1.0; switch (d) {//error default -> System.out.println("1"); } float f = 1.0F; switch (f) {//error default -> System.out.println("1"); } } }