Last Updated : 11 Jul, 2025
The Java.util.Vector.removeAllElements() method is used to removes all components from this Vector and sets its size to zero. Syntax:
Vector.removeAllElements()
Parameters: The method does not take any parameter
Return Value: The function does not returns any value.
Below programs illustrate the Java.util.Vector.removeAllElements() method.
Example 1:
Java
// Java code to illustrate removeAllElements()
import java.util.*;
public class GFG {
public static void main(String args[])
{
// Creating an empty Vector
Vector<String> vector = new Vector<String>();
// Use add() method to add elements into the Vector
vector.add("Welcome");
vector.add("To");
vector.add("Geeks");
vector.add("4");
vector.add("Geeks");
// Displaying the Vector
System.out.println("Vector: " + vector);
// removeAllElementsing the Vector
// using removeAllElements() method
vector.removeAllElements();
// Displaying the final Vector after removeAllElement
System.out.println("The final Vector: " + vector);
}
}
Output:
Vector: [Welcome, To, Geeks, 4, Geeks] The final Vector: []
Example 2:
Java
// Java code to illustrate removeAllElements()
import java.util.*;
public class GFG {
public static void main(String args[])
{
// Creating an empty Vector
Vector<Integer> vector = new Vector<Integer>();
// Use add() method to add elements into the Queue
vector.add(10);
vector.add(15);
vector.add(30);
vector.add(20);
vector.add(5);
// Displaying the Vector
System.out.println("Vector: " + vector);
// removeAllElementsing the Vector
// using removeAllElements() method
vector.removeAllElements();
// Displaying the final Vector after removeAllElement
System.out.println("The final Vector: " + vector);
}
}
Output:
Vector: [10, 15, 30, 20, 5] The final Vector: []
Time complexity: O(n). // n is the size of the vector.
Auxiliary space: O(1)
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