Removing All Elements: clear out all of a vector's elements: clear() and removeAllElements() : Vector « Collections « Java Tutorial

1. Java Tutorial
2. Collections
3. Vector

public void clear()
public void removeAllElements()

import java.util.Vector;

public class MainClass {
  public static void main(String args[]) {
    Vector v = new Vector(5);
    for (int i = 0; i < 10; i++) {
      v.add(i,0);
    }
    System.out.println(v);
    
    v.clear();
    
    System.out.println(v);
  }
}

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
[]