What will be the output of the following code ?<br /> <br /> enum Day {<br />    MONDAY,TUESDAY,WEDNESDAY,THURSDAY,FRIDAY,SATURDAY,SUNDAY<br /> }<br /> <br /> public class BuggyBread1{<br />    public static void main (String args[]) {<br />       Set mySet = new HashSet();<br />       mySet.add(Day.SATURDAY);<br />       mySet.add(Day.WEDNESDAY);<br />       mySet.add(Day.FRIDAY);<br />       mySet.add(Day.WEDNESDAY);<br />       for(Day d: mySet){<br />          System.out.println(d);<br />       }<br />    }<br /> }
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 Q1. What will be the output of the following code ?

enum Day {
   MONDAY,TUESDAY,WEDNESDAY,THURSDAY,FRIDAY,SATURDAY,SUNDAY
}

public class BuggyBread1{
   public static void main (String args[]) {
      Set mySet = new HashSet();
      mySet.add(Day.SATURDAY);
      mySet.add(Day.WEDNESDAY);
      mySet.add(Day.FRIDAY);
      mySet.add(Day.WEDNESDAY);
      for(Day d: mySet){
         System.out.println(d);
      }
   }
}
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Ans. FRIDAY , SATURDAY and WEDNESDAY will be printed but the order cannot be determined.

Only one FRIDAY will be printed as Set doesn't allow duplicates. Order cannot be determined as HashSet doesn't maintain elements in a particular order. 

 Help us improve. Please let us know the company, where you were asked this question :   

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