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EnterPoint.java

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/** ïðîåêò, êîòîðûé äåìîíñòðèðóåò èñïîëüçîâàíèå Enum */

public class EnterPoint {

private static void debug(Object information){

System.out.println(information);

}

public static void main(String[] args){

debug("-- begin --");

debug(" simple Example ");

Variables v1=Variables.V_1;

Variables v2=Variables.V_2;

debug("Value(1):"+v1.name());

debug("Value(2):"+v2.name());

debug("String to Variable:"+Variables.valueOf("V_3").name());

debug("Value(1) order:"+v1.ordinal());

debug("Value(2) order:"+v2.ordinal());

debug(" complex example ");

Widths w1=Widths.W_1;

Widths w2=Widths.W_3;

debug("Widths: "+w1.getValue()+" ("+w1.getValue()+")");

debug("Widths: "+w2.getValue()+" ("+w2.getValue()+")");

debug("-- end --");

}

}

/** declaration of enumeration type */

enum Variables {V_1, V_2, V_3};

/** declaration of enumeration type with parameters */

enum Widths{

/** width of first */

W_1(5),

/** width of second */

W_2(7),

/** width of third */

W_3(12),

/** width of fourth */

W_4;

private int value;

Widths(int value){

System.out.println("constructor:"+value);

this.value=value;

}

Widths(){

System.out.println("constructor");

this.value=-1;

}

public int getValue(){

return this.value;

}

}