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Hashset Example
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import java.util.HashSet;
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public class HashSetExample {
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public static void main(String[] args) {
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HashSet<String> set = new HashSet<>();
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set.add("Element1");
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set.add("Element2");
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set.add("Element3");
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set.add("Element1");
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set.remove("Element2");
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System.out.println("Iterating over HashSet using for-each loop:");
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for (String element : set) {
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System.out.println(element);
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}
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boolean contains = set.contains("Element3");
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System.out.println("HashSet contains 'Element3': " + contains);
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int size = set.size();
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System.out.println("Size of HashSet: " + size);
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set.clear();
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System.out.println("Size of HashSet after clear: " + set.size());
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}
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}
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