ArraryListMagnet.java

import java.util.*;

public class ArraryListMagnet
{
	public static void main(String[] args)
	{
	 ArrayList<String> a = new ArrayList<String>();
	 
	 a.add(0,"zero");
	 a.add(1,"one");
	 a.add(2,"two");
	 a.add(3,"three");

	 printAL(a);
	 a.remove(2);

	 if (a.contains("three"))
	 {
	 a.add("four");
	 }
	 printAL(a);
	 
	 if (a.indexOf("four") != 4 )
	 {
	 a.add(4, "4.2");
	 }
	 printAL(a);
	 
	 if (a.contains("two"))
	 {
	 a.add("2.2");
	 }
	 printAL(a);

	}
	
	public static void printAL(ArrayList<String> al)
	{
	 for (String element : al)
	 {
	 System.out.print(element + " ");
	 }
	 System.out.println(" ");
	}
}