Question

How to iterate over HashSet in Java

Answer 1

import java.util.*;

public class MyClass {
    public static void main(String args[]) {
        Set<String> letters = new HashSet<>(Arrays.asList("a", "b", "c", "d", "a", "a"));
      
        for (String ch : letters) {
            System.out.println(ch);
        }
    }
}




/*
run:

a
b
c
d

*/

 

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Answer 2

import java.util.*;

public class MyClass {
    public static void main(String args[]) {
        Set<String> letters = new HashSet<>(Arrays.asList("a", "b", "c", "d", "a", "a"));
      
        Iterator<String> it = letters.iterator(); 

        while (it.hasNext()) { 
            System.out.println(it.next()); 
        }
    }
}




/*
run:

a
b
c
d

*/

 

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