Vector remove() Method in Java

• remove(int index)

  The java.util.vector.remove(int index) method is used to remove an element from a Vector from a specific position or index.

  Syntax:

  Vector.remove(int index)

  Parameters: This method accepts a mandatory parameter index is of integer data type and specifies the position of the element to be removed from the Vector.

  Return Value: This method returns the element that has just been removed from the vector.

  Below program illustrate the Java.util.Vector.remove(int index) method:

  
  
  
  
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  // Java code to illustrate remove() when position of // element is passed as parameter import java.util.*;    public class VectorDemo {     public static void main(String args[])     {            // Creating an empty Vector         Vector<String> vec_tor = new Vector<String>();            // Use add() method to add elements in the Vector         vec_tor.add("Geeks");         vec_tor.add("for");         vec_tor.add("Geeks");         vec_tor.add("10");         vec_tor.add("20");            // Output the Vector         System.out.println("Vector: " + vec_tor);            // Remove the element using remove()         String rem_ele = vec_tor.remove(4);            // Print the removed element         System.out.println("Removed element: " + rem_ele);            // Print the final Vector         System.out.println("Final Vector: " + vec_tor);     } }

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  Output:

  Vector: [Geeks, for, Geeks, 10, 20]
  Removed element: 20
  Final Vector: [Geeks, for, Geeks, 10]
  

• remove(Object o)

  The java.util.vector.remove(Object o) method is used to remove any particular element from the Vector.

  Syntax:

  Vector.remove(Object o)

  Parameters: This method accepts a mandatory parameter o is of the object type of Vector and specifies the element to be removed from the Vector.

  Return Value: Returns True if the specified element is found and removed from the Vector, else False.

  Below program illustrate the Java.util.Vector.remove(Object O) method:

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  // Java code to illustrate remove() method import java.util.*;    public class VectorDemo {     public static void main(String args[])     {         // Creating an empty Vector         Vector<String> vec_tor = new Vector<String>();            // Use add() method to add elements in the Vector         vec_tor.add("Geeks");         vec_tor.add("for");         vec_tor.add("Geeks");         vec_tor.add("10");         vec_tor.add("20");            // Output the Vector         System.out.println("Vector: " + vec_tor);            // Remove the head using remove()         Boolean rem_ele;            rem_ele = vec_tor.remove("Geeks");         // Print the removed element         if (rem_ele)             System.out.println("Geeks"                                + " found and removed.");         else             System.out.println("Geeks"                                + " not found or removed.");            rem_ele = vec_tor.remove("500");         // Print the removed element         if (rem_ele)             System.out.println("500"                                + " found and removed.");         else             System.out.println("500"                                + " not found or removed.");            // Print the final Vector         System.out.println("Final Vector: " + vec_tor);     } }

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  Output:

  Vector: [Geeks, for, Geeks, 10, 20]
  Geeks found and removed.
  500 not found or removed.
  Final Vector: [for, Geeks, 10, 20]
  

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