source: doc/theses/jiada_liang_MMath/test1.java@ d7cb0f7

import java.io.*;

public class test1 {
        enum Weekday {
                Mon(7), Tue(6), Wed(5), Thu(3), Fri(3), Sat(3), Sun(1); // must appear first
                private long day;
                private Weekday( long d ) { day = d; }
        }

        public static void main( String[] args ) {
                Weekday cday = Weekday.Sat;
                System.out.println( cday.ordinal() + " " + cday + " " +  cday.name() ); // label

                if ( cday == Weekday.Fri ) { // position
                        System.out.println( "true" );
                }
                // if ( cday < Weekday.Sat ) { // no releation operations
                //      System.out.println( "true" );
                // }
                switch ( cday ) { // position
                  case Mon: case Tue: case Wed: case Thu: case Fri:
                        System.out.println( "weekday" );
                        break;
                  case Sat: case Sun:
                        System.out.println( "weekend" );
                        break;
                }
                for ( Weekday icday : Weekday.values() ) { // position
                        System.out.print( icday + " " + icday.ordinal() + " " + icday.day + " " +  icday.name() + ",  " ); // label
                }
                System.out.println();
        }
}

// java test1