import java.util.ArrayList;
public class ArrayListDemo
{
       public ArrayListDemo()
    {
        ArrayList<String> al = new ArrayList<String>();
        al.add("abcd");
        al.add("ab");
        al.add("xyz");
        System.out.println("al.size() " + al.size());
        al.add("asklfjd");
        System.out.println("al.size() " + al.size());
                
                
          for(String inA: al)
            System.out.println(inA);
        System.out.println();
        al.set(1,"cd");
        System.out.println("Now Call: al.set(1,\"cd\");");
        System.out.println();
        
        for(String inA: al)
            System.out.println(inA);
        
       System.out.println();
         al.add(1,"add me please"); 
        System.out.println("Now Call: add(1,\"add me please\")");
       
              System.out.println("al : "+ al);
        

       System.out.println();
            al.remove(1); 
         System.out.println("Now Call:  al.remove(1))");
        
            System.out.println("al : "+ al);
        
        
    }
}