JAVA

PART -A

PROGRAM 1 PROGRAM 2 PROGRAM 3 PROGRAM 4 PROGRAM 5 PROGRAM 6 PROGRAM 7

PART-B

PROGRAM B1 PROGRAM B2 PROGRAM B3 PROGRAM B4 PROGRAM B5 PROGRAM B6 PROGRAM B7 PROGRAM B8 . . .

1

 
   
 
 
 /*
8.
Write a Java program to create a vector, add elements at the end, at specified location onto the vector and display the elements. 

Write an option driven program using switch...case and also insertion of any type of objects must be possible. Read input as strings and find the type of data and convert them
into appropriate objects of appropriate classes.   Handle exception while converting the inputs.*/

 
import java.io.*;
import java.util.*;
import java.io.BufferedReader;
 import java.io.IOException;


class program8 {


           
  public static void main(String[] args)
  {
     
    int n = 5,data;
    int ch=0;

     BufferedReader reader =new BufferedReader(new InputStreamReader(System.in));
      Vector v = new Vector(n);
 try{
        
         
        System.out.println("student Succefully Registerd : ");
  
        
        while(ch!=4){
            System.out.println("Enter 1.add 2.remove 3.display 4.exit : ");
       
            ch = Integer.parseInt(reader.readLine());
            switch(ch){

          case 1:
                   System.out.println("Enter data to ADD: ");
                  data = Integer.parseInt(reader.readLine());
                  
                    v.add(data);
            break;


        case 2:
                   System.out.println("REMOVE data at Index 0- n : ");
                   data = Integer.parseInt(reader.readLine());
                   v.remove(data);

   

            break;
        case 3:
                for (int i = 0; i < v.size(); i++)
                  System.out.println(v.get(i));

            break;
        
        case 4:
                ch=4;

            break;


            }



        }

            }catch(Exception e){
        }

  
     
    
   
  }

}