package geym.conc.ch2.badlock;

public class BadLockOnInteger implements Runnable{
	public static Integer i=0;
	static BadLockOnInteger instance=new BadLockOnInteger();
	@Override
	public void run() {
		for(int j=0;j<1000000;j++){
			synchronized(i){
//			synchronized(instance){
				i++;
			}
		}
	}
	
	public static void main(String[] args) throws InterruptedException {
		Thread t1=new Thread(instance);
		Thread t2=new Thread(instance);
		t1.start();t2.start();
		t1.join();t2.join();
		System.out.println(i);
		
	}
}
