Webswitch (o.getClass ().getCanonicalName ()) { case "my.package.A": handleA ( (A)o); break; case "my.package.B": handleB ( (B)o); break; case "my.package.C": handleC ( (C)o); break; default: handleUnknown (o); break; } WebFeb 24, 2024 · What are the types of switch statements in Java? 1 byte 2 short 3 int 4 long 5 char 6 String (only Java version 7 and above) 7 Byte 8 Short 9 Integer 10 Long 11 Enum What kind of data types does a switch work with? A switch works with the byte, short, char, and int primitive data types.
in c++,how to deal with other data types in switch cases?
WebFeb 20, 2024 · The switch statement or switch case in java is a multi-way branch statement. Based on the value of the expression given, different parts of code can be … WebMar 24, 2015 · Firstly, several hundred lines of switch-case needs immediate refactoring (just for being that long). Secondly, you can use if-else instead, if value is not known at … products made from recycled carpet material
Use string in switch case in java - Stack Overflow
WebJul 24, 2016 · System.out.println ("enter grade "); Scanner input2 = new Scanner (System.in); String grade = input2.nextLine (); switch (grade) { case "a": g=10; break; … WebSwitch statements in Java can use byte, short, char, and int (note: not long) primitive data types or their corresponding wrapper types. Starting with J2SE 5.0, it is possible to use enum types. Starting with Java SE 7, ... In this case the type variable is appended by the extends keyword followed by a name of the class or the interface. WebAfter evaluating the expression, the statements in the matched case are executed. You may use different data types in switch Java statement. It may work with primitive data … products made from rpet