Vector elementAt() Method in Java
Last Updated :
24 May, 2023
The java.util.vector.elementAt(int pos) method is used to fetch or retrieve an element at a specific index from a Vector.
Syntax:
Vector.elementAt(int pos)
Parameters: This method accepts a mandatory parameter pos of integer data type that specifies the position or index of the element to be fetched from the Vector.
Return Value: The method returns the element present at the position specified by the parameter pos.
Below programs illustrate the Java.util.Vector.get() method:
Program 1:
Java
import java.util.Vector;
public class VectorDemo {
public static void main(String args[])
{
Vector<String> vec_tor = new Vector<String>();
vec_tor.add("Geeks");
vec_tor.add("for");
vec_tor.add("Geeks");
vec_tor.add("10");
vec_tor.add("20");
System.out.println("Vector: "
+ vec_tor);
System.out.println("The element is: "
+ vec_tor.elementAt(3));
}
}
|
Output:
Vector: [Geeks, for, Geeks, 10, 20]
The element is: 10
Program 2:
Java
import java.util.Vector;
public class VectorDemo {
public static void main(String args[])
{
Vector<Integer> vec_tor = new Vector<Integer>();
vec_tor.add(1);
vec_tor.add(2);
vec_tor.add(3);
vec_tor.add(4);
vec_tor.add(5);
System.out.println("Vector: " + vec_tor);
System.out.println("The element is: "
+ vec_tor.elementAt(1));
}
}
|
Output:
Vector: [1, 2, 3, 4, 5]
The element is: 2
Time complexity: O(1),
Auxiliary space: O(n). // n is the size of the vector.
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