Java TreeSet Value Exists Example

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import java.util.TreeSet;

public class JavaTreeSetValueExists {

	public static void main(String[] args) {

		TreeSet treeSet = new TreeSet();

		treeSet.add("1");
		treeSet.add("3");
		treeSet.add("2");
		treeSet.add("5");
		treeSet.add("4");

		boolean blnExists = treeSet.contains("3");
		System.out.println("Result : " + blnExists);
	}
}
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