public class Tongywo {	public static void main(String[] args) {		// TODO Auto-generated method stub		Shangdian0 sd=new Shangdian0(100);		Goumai0 no1=new Goumai0(70, sd, "No.1");		Goumai0 no2=new Goumai0(80, sd, "No.2");				no1.start();		no2.start();	}}class Shangdian0{		int kucun=0;		public Shangdian0(int kucun){				this.kucun=kucun;	}		public synchronized void goumai(int i){				if(i

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