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Remove all elements from Java Vector Example

  1. /*
  2.   Remove all elements from Java Vector Example
  3.   This Java Example shows how to remove all elements from java Vector object
  4.   using clear and removeAllElements method.
  5. */
  6.  
  7. import java.util.Vector;
  8.  
  9. public class RemoveAllElementsOfVectorExample {
  10.  
  11.   public static void main(String[] args) {
  12.     //create a Vector object
  13.     Vector v = new Vector();
  14.    
  15.     //Add elements to Vector
  16.     v.add("1");
  17.     v.add("2");
  18.     v.add("3");
  19.    
  20.     System.out.println("Size of Vector before removing elements : " + v.size());
  21.     /*
  22.       To remove all elements from the Vector use
  23.       void clear() method.
  24.     */
  25.     v.clear();
  26.     //OR v.removeAllElements();
  27.     System.out.println("Size of Vector after removing elements : " + v.size());
  28.    
  29.     /*
  30.        Please note that removeAllElements method is also identical to clear
  31.        method and can be used to remove all elements from the Vector.
  32.     */
  33.   }
  34. }
  35. /*
  36. Output would be
  37. Size of Vector before removing elements : 3
  38. Size of Vector after removing elements : 0
  39. */