• Hold onto contents using an Array
• Increase 50% size each time

import java.util.*;

public class L
{
	public static void main(String args[])
	{
		ArrayList<Integer> l = new ArrayList<Integer>();

		//add
		for(int i = 0; i < 10; i++)
			l.add(i);

		//get, size
		for(int i = 0; i < l.size(); i++)
			System.out.printf("%4d", l.get(i));
		System.out.println();

		//set
		for(int i = 0; i < l.size(); i++)
			if(l.get(i) % 2 == 0)
				l.set(i, l.get(i)*10);
		System.out.println(l);
	}
}
			

• For List implemented classes
• Increase 50% size each time

import java.util.*;

public class L
{
	public static void main(String args[])
	{
		ArrayList<Integer> l = new ArrayList<Integer>();

		//add
		for(int i = 0; i < 10; i++)
			l.add(i);
		System.out.println(l);

		ListIterator itr = l.listIterator();

		//hasNext, next, set
		while(itr.hasNext())
		{
			int e = (Integer)itr.next();
			System.out.printf("%4d: %4d%n", (Integer)itr.nextIndex(), e);
			itr.set(e*10);
		}
		System.out.println(l);

		//hasPrevious, previous, remove
		while(itr.hasPrevious())
		{
			int e = (Integer)itr.previous();
			if((e/10)%2 == 1)
				itr.remove();
		}
		System.out.println(l);
	}
}
			

import java.util.*;

public class L
{
	public static void main(String args[])
	{
		LinkedList<Integer> l = new LinkedList<Integer>();

		//add
		for(int i = 0; i < 10; i++)
			l.add(i);

		//addFirst, addLast
		l.addFirst(100);
		l.addLast(200);

		System.out.println(l);

		//get, size
		for(int i = 0; i < l.size(); i++)
			System.out.printf("%4d", l.get(i));
		System.out.println();

		//set
		for(int i = 0; i < l.size(); i++)
			if(l.get(i) % 2 == 0)
				l.set(i, l.get(i)*10);
		System.out.println(l);

		//contains
		if(l.contains(3))
			System.out.println("Contine 3 ...");

		//remove
		l.remove(5);
		System.out.println(l);
	}
}
			

import java.util.*;

public class L
{
	public static void main(String args[])
	{
		LinkedList<Integer> l = new LinkedList<Integer>();

		for(int i = 0; i < 10; i++)
			l.add(i);

		Vector<Integer> v = new Vector<Integer>(l);

		v.add(1, 100);

		for(int i = 0; i < v.size(); i++)
			System.out.printf("%4d", v.get(i));
		System.out.println();

		for(int i = 0; i < v.size(); i++)
		{
			if(v.get(i)%2 == 0)
				v.set(i, v.get(i)*10);
		}

		System.out.println(v);
	}
}
			

• List at Geekforgeek
• Iterator at Geekforgeek