Tuesday, 14 July 2020

Vector Data Structure in Java Programming Language | Vector Data Structure Java

                  In this post, we will see Vector Data Structure in Java Programming Language | Vector Data Structure Java



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Program Code: (VectorProg.java) 


import java.util.Vector;
import java.util.Enumeration;

public class VectorProg {

   public static void main(String args[]) {
      Enumeration e;
      Vector months = new Vector(3,2);
      System.out.println("Initial size: " + months.size());
      System.out.println("Initial capacity: " + months.capacity());
    
      months.add("Jan");
      months.add("Feb");
      months.add("March");
      months.add("April");
      months.add("May");

      System.out.println("size: " + months.size());
      System.out.println("capacity: " + months.capacity());

      months.add("June");
      months.add("July");
      months.add("Aug");
      months.add("Sept");
    
      System.out.println("size: " + months.size());
      System.out.println("capacity: " + months.capacity());

      months.add("Oct");
      months.add("Nov");
      months.add("Dec");

      System.out.println("size: " + months.size());
      System.out.println("capacity: " + months.capacity());
    
      e = months.elements();
    
      while (e.hasMoreElements()) {
         System.out.println(e.nextElement());
      }
   }
}
  


Output:
parag@parag-Inspiron-N4010:~/Desktop/prog$ javac VectorProg.java
Note: VectorProg.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
parag@parag-Inspiron-N4010:~/Desktop/prog$ java VectorProg
Initial size: 0
Initial capacity: 3
size: 5
capacity: 5
size: 9
capacity: 9
size: 12
capacity: 13
Jan
Feb
March
April
May
June
July
Aug
Sept
Oct
Nov
Dec

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