TreeSet clear Example
TreeSet class clear example. This example shows you how to use clear method.
TreeSet class clear example.public void clear() Removes all of the elements from this set. The set will be empty after this call returns.
Here is the code
/**
* @ # clear.java
* A class repersenting use to clear method
* of TreeSet class in java.util package
* version 23 May 2008
* author Rose India
*/
import java.util.*;
public class Clear {
public static void main(String args[]) {
// Create a new TreeSet object:
TreeSet treeset = new TreeSet();
// Create new element objects and add object objects:
treeset.add(new Integer(1));
treeset.add(new Integer(2));
treeset.add(new Integer(3));
// Display ts:
System.out.println(treeset);
// Clear the set:
treeset.clear();
// Display ts after clearing:
System.out.println(treeset);
}
} |
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