Java Program on Collection Array List Part – 2

Program 1

package dataflair;
import java.util.*;
public class TestMain1 
{
    public static void main(String[] args) 
    {
          ArrayList<String>mylist=new ArrayList<String>(5);
          mylist.add("A");
          mylist.add("B");
          mylist.add("C");
          mylist.add("D");
          mylist.add("E");
          mylist.add("F");
          mylist.add("G");
          mylist.add("H");
          Scanner scan=new Scanner(System.in);
          String temp;
          System.out.println("Enter A String for Search");
          temp=scan.next();
          if(mylist.contains(temp))
                System.out.println("Searching success");
         else
              System.out.println("Searching Not success");
//          int f=0;
//          for(String S:mylist)
//          {
//              if(S.equals(temp))
//              {    
//                  f=1;
//                  break;
//              }    
//              
//          }
//          if(f==1)
//              System.out.println("Searching success");
//         else
//              System.out.println("Searching not success");
          
//          System.out.println(mylist);
//          
//          //List Iterator
//          ListIterator lt=mylist.listIterator();
////          while(lt.hasPrevious())
////          {
////              System.out.println(lt.previous());
////          }
//          while(lt.hasNext())
//          {
//              System.out.println(lt.next());
//          }
          
          // Iterator 
//          Iterator I=mylist.iterator();
//          while(I.hasNext())
//          {
//              System.out.println(I.next());
//          }
          // Dispaly Element using for each loop
//          for(String S:mylist)
//              System.out.println(S);
          
          //System.out.println(mylist);  
          // Display Elemet using get method
//         for(int i=0;i<mylist.size();i++) 
//             System.out.println(mylist.get(i));
         
//          System.out.println("My List Elements:"+mylist);
//          ArrayList<String>mylist1=new ArrayList<String>();
//          mylist1.addAll(mylist);
//          System.out.println("My List1 Elements:"+mylist1);
//          mylist1.add("Indore");
//          mylist1.add("Pune");
//          mylist1.add("Bhopal");
//          mylist1.add("Delhi");
//          System.out.println("My List1 Elements:"+mylist1);
//          mylist1.retainAll(mylist);
//          System.out.println("My List1 After Retain Myist Elements:"+mylist1);
//          mylist1.removeAll(mylist);
//          System.out.println("My List1 After Remove Myist Elements:"+mylist1);
    }
    
}

Program 2

package dataflair;
import java.util.*;
public class TestMain2 
{
    public static void main(String[] args) 
    {
       String S,choice;
        List<String>city=new ArrayList<String>();
       Scanner scan=new Scanner(System.in);
       
        System.out.println("Enter the city name");
        S=scan.next();
        city.add(S);
        System.out.println("Want to coninue");
        choice=scan.next();
        while(choice.toUpperCase().equals("YES"))
        {
            System.out.println("Enter the city name");
            S=scan.next();
            city.add(S);
            System.out.println("Want to coninue");
            choice=scan.next();
        }    
        System.out.println(city);
    }
}