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Two enumeration constants can be compared for equality by using the == relational operator

enum Week {   Monday, Tuesday, Wednesday, Thursday, Friday, Saturaday, Sunday } public class MainClass {   public static void main(String args[]) {     Week aWeekDay;     aWeekDay = Week.Monday;     // Output an enum value.     System.out.println("Value of aWeekDay: " + aWeekDay);     System.out.println();     aWeekDay = Week.Friday;     // Compare two enum values.     if (aWeekDay == Week.Friday)       System.out.println(" Friday.\n");   } } Value of aWeekDay: Monday Friday.