Collections in Java/

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HashSet: Iteration and Sorting

HashSet: Iteration and Sorting

Let's look at different ways to iterate a HashSet.

We'll cover the following...

Iterating a HashSet

Below are the different methods to iterate over a HashSet.

Using for loop

A HashSet can be easily iterated using an enhanced for loop as shown below.

Java
import java.util.HashSet;
import java.util.Set;
public class HashSetDemo {
	public static void main(String args[]) {
		Set<Integer> set = new HashSet<>();
		set.add(23);
		set.add(34);
		set.add(56);
		for(int i : set) {
			System.out.println(i);
		}
	}
}

Using

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