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Java program to demonstrate an enum in switch case
Java example to demonstrate an enum in switch case.
Submitted by Nidhi, on April 04, 2022
Problem Solution:
In this program, we will create a vehicle enumeration using "enum" inside the class Main. Then we will use an enum constant with a switch case inside the main() method and print the appropriate message.
Program/Source Code:
The source code to demonstrate an enum in the switch case is given below. The given program is compiled and executed successfully.
// Java program to demonstrate an enum
// in switch case
public class Main {
enum Vehicle {
BIKE,
CAR,
BUS
}
public static void main(String[] args) {
String str = "BUS";
switch (Vehicle.valueOf(str)) {
case BIKE:
System.out.println("BIKE is for 2 persons.");
break;
case CAR:
System.out.println("CAR is for 5 persons.");
break;
case BUS:
System.out.println("BUS is for 50 persons.");
break;
default:
System.out.println("Unknown Vehicle.");
break;
}
}
}
Output:
BUS is for 50 persons.
Explanation:
In the above program, we created an enumeration Vehicle inside class Main. The enum Vehicle contains 3 constants BIKE, CAR, BUS. The Main class also contains a static method main(). The main() method is the entry point for the program, here we created a string initialized with "BUS". Then we converted the string into an enum constant using the valueOf() method and used it in a switch case and printed the appropriate message.
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