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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