Java TreeMap Remove All Elements

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import java.util.TreeMap;

public class JavaTreeMapRemoveAllElement {

	public static void main(String[] args) {

		TreeMap treeMap = new TreeMap();

		treeMap.put("1", "One");
		treeMap.put("2", "Two");
		treeMap.put("3", "Three");

		treeMap.clear();

		System.out.println("Total key value pairs in TreeMap are : " + treeMap.size());
	}
}
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