import java.util.ArrayList;
import java.util.Collection;

public class TestBuffer{
	private Collection<Object> list = new ArrayList<Object>();
	private boolean insideGetBuffer = false;
	
	public TestBuffer(){
		System.out.println("Creating a TestBuffer");
	}
	
	synchronized public void add(Object item) {
		list.add(item);
	}
	
	synchronized public void remove(Object item) {
		if(insideGetBuffer){
			System.out.println("Broke Synchronization ");
			System.out.println(item);
		}
	}
	
	synchronized public void getBuffer() {
		insideGetBuffer = true;
		try{
			int i=0;
			for(Object item : list) {
				if(item != null){
					i++;
				}
			}
		}finally{
			insideGetBuffer = false;
		}
	}
}