Java Programming

I am experimenting with the system.arraycopy() method, for use in homework excerices.

i need to implement a an array that grows in size as and when new objects are added. Normally i would use a linked list etc, however my teacher forbids it. I can only use arraycopy().

I wrote a small class to practice using arraycopy():

public class ArrayTest {

	int array1[] = new int[2];
	int array2[] = new int[3];
	
	int size;

	public ArrayTest()
	{
		array1[0] = 6;
		array1[1] = 6;
		
		size = 0;
	}
	
	public void testArrays()
	{	
		System.arraycopy(array1, 0, array2, 0, 2);
	}
	
	public void display()
	{
		for(int i = 0;i<array2.length;i++)
		{
			System.out.println(array2);		

		}	

	}			

	

	public static void main(String argrs[])

	{

		ArrayTest a = new ArrayTest();

		

		a.testArrays();

		a.display();

	}	

	

}	







I see how one can add the contents of a smaller array to a larger one when to gain another space, but this is still a finite solution.



is there a way i can code a infinte solution and would it be ok if I could look at an example?



Thank You For Your Time.



P.S. I am aware that this problem was raised in another thread but i thought that thread was becoming too long.