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Remove specified element from Java Vector Example

  1. /*
  2.   Remove specified element from Java Vector Example
  3.   This Java Example shows how to remove a specified element java Vector object
  4.   using remove and removeElement methods.
  5. */
  6.  
  7. import java.util.Vector;
  8.  
  9. public class RemoveElementFromVectorByObjectExample {
  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.     v.add("4");
  20.     v.add("5");
  21.    
  22.     /*
  23.       To remove a specified element from Vector use
  24.       boolean remove(Object o) method. It removes the first occurrence of
  25.       the object if found in the Vector. If not, Vector remains unchanged.
  26.       It returns true if Vector contained the specified object.
  27.     */
  28.     boolean blnElementFound = v.remove("2");
  29.     System.out.println("Was 2 removed from Vector ? " + blnElementFound);
  30.    
  31.     System.out.println("Vector contents after remove call...");
  32.     //display elements of Vector
  33.     for(int index=0; index < v.size(); index++)
  34.       System.out.println(v.get(index));
  35.    
  36.     /*
  37.        boolean removeElement(Object o) is also identical to the remove method.
  38.     */
  39.     v.removeElement("3");
  40.  
  41.     System.out.println("Was 3 removed from Vector ? " + blnElementFound);
  42.     System.out.println("Vector contents after removeElement call...");
  43.     //display elements of Vector
  44.     for(int index=0; index < v.size(); index++)
  45.       System.out.println(v.get(index));
  46.    
  47.    
  48.   }
  49. }
  50.  
  51. /*
  52. Output would be
  53. Was 2 removed from Vector ? true
  54. Vector contents after remove call...
  55. 1
  56. 3
  57. 4
  58. 5
  59. Was 3 removed from Vector ? true
  60. Vector contents after removeElement call...
  61. 1
  62. 4
  63. 5
  64. */