Find the NullPointerException!

Npetest.java

public abstract class AbstractLoader {

	protected LoadJob loadJob;
	
	public AbstractLoader(LoadJob loadJob)
	{
		this.loadJob = loadJob;
		int foo = 0; //Doing stuff
		String bar = "foobar";
		this.load1();
	}

	protected abstract void load1();
	
}

public class LoaderImpl extends AbstractLoader {

	private Map<String, String> syncMap = 
		Collections.synchronizedMap(new HashMap<String,String>());
	
	public LoaderImpl(LoadJob loadJob) {
		super(loadJob);
	}
		
	@Override
	protected void load1() {
		loadJob.initializeMap(syncMap);
		System.out.println("SYNC?? "+Boolean.toString(syncMap == null));
		(new Thread(loadJob)).run();
	}
}

public class LoadJob implements Runnable {

	Map<String,String> map;
	
	public void initializeMap(Map<String,String> map)
	{
		this.map = map;
	}
	
	@Override
	public void run() {
		synchronized(map)
		{
			map.put("foo", "bar");
		}
	}
}

public class LoaderTest {
	public static void main(String[] args) {
		new LoaderImpl(new LoadJob());
	}
}