List_Vector.java

package com.mywork;

import java.util.List;
import java.util.Vector;

public class List_Vector {

	public static void main(String[] args) {

List<Integer> a = new Vector<>();//no return type		
		
     a.add(10);
     a.add(20);
     a.add(50);
     a.add(20);
     a.add(50);
     a.add(70);//method --add
    
     
     
     
     a.add(2, 88);
     a.add(3, 15);
     System.out.println(a);//(method -- add(index,object)
     
     
     int size = a.size();//index of length
     System.out.println("The value of index size = " + size); // (method ----size) 
     
     
     int indexOf = a.indexOf(50);   
     System.out.println("the value of index of =" + indexOf); //(it will print the first occurrence of the value)
     
     
     int lastIndexOf = a.lastIndexOf(50);
     System.out.println("The last index of =" + lastIndexOf);// (it will print the last occurrence of the value) 
     
     boolean contains = a.contains(90);
     System.out.println("The given value in present or not in contains =" + contains);
     // (it will check the value is present or not -- true or false)
     
     
  Integer integer = a.get(4);   
  System.out.println("the value of get="+ integer);//it will get the value from index what we choose,if we declare unknown index value 
  //will through indexout of bounds exception


  a.set(3, 123);
  System.out.println(a);//it will replace the index value no return type

  boolean empty = a.isEmpty();
  System.out.println("the vlue of index is empty or not:" + empty);

  a.clear();
  System.out.println(a);//will clear the index box


     
     
     
     
	}

}