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enum constructor problem

Mohit G Gupta
Ranch Hand

Joined: May 18, 2010
Posts: 634

enum Animals {
DOG("woof"), CAT("meow"), FISH("burble");
String sound;
Animals(String s) { sound = s; } ///should'nt this.sound be used here
}
class TestEnum {
static Animals a;
public static void main(String [] args) {
System.out.println(a.DOG.sound + " " + a.FISH.sound);
}
}


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Christophe Verré
Sheriff

Joined: Nov 24, 2005
Posts: 14687
    
  16

Please QuoteYourSources and UseCodeTags. And next time, write your question out of the code.


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Rob Spoor
Sheriff

Joined: Oct 27, 2005
Posts: 19655
    
  18

mohitkumar gupta wrote:should'nt this.sound be used here

No. "this." is only required if it otherwise would cause a name clash. If you had renamed "s" to "sound" it would be required. Now the compiler sees that "sound" can only mean its instance field.


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