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How to use Java enums in switch statements
Tarun TelangEnum (enumeration class)
An enum class is a special class used to represent a group of constants.
It can be declared using the enum keyword, as shown below:
enum Skill {
BEGINNER,
INTERMEDIATE,
PROFICIENT,
EXPERT
}
- enum constants are public, static, and final by default.
- enum constants are accessed using dot syntax.
- An enum class can have attributes and methods, in addition to constants.
- You cannot create objects of an enum class, and it cannot extend other classes.
- An enum class can only implement interfaces.
Enums in switch case
Enums can be used in a switch-case statement, as shown below:
public class Main {
enum Skill {
BEGINNER,
INTERMEDIATE,
PROFICIENT,
EXPERT
}
public static void main(String[] args) {
Skill mySkill = Skill.INTERMEDIATE;
switch(mySkill) {
case BEGINNER:
System.out.println("Beginner");
break;
case INTERMEDIATE:
System.out.println("Intermediate");
break;
case PROFICIENT:
System.out.println("Proficient");
break;
case EXPERT:
System.out.println("Expert");
}
}
}RELATED TAGS
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