The application of Java concurrency condtion in producer consumers

public class depot {       private int depotSize;      //Warehouse Size        private Lock lock;          //exclusive lock                public depot () {           depotsize =  0;           lock = new reentrantlock ();        }              / **       *  Goods warehousing        *  @param  value        */       public void put (int  Value) {           try {        &nbSp;       lock.lock ();                depotSize += value;                system.out.println (Thread.CurrentThread (). GetName ()  +  "  put  " + value +"  ----> the depotSize:  " + depotsize );           } finally{                lock.unlock ();            }       }               /**       *  Merchandise out of the library        *   @param  value       */       public  Void get (int&Nbsp;value) {           try {                lock.lock ();                depotSize -= value;                system.out.println (Thread.CurrentThread (). GetName ()  +  " get "  + value + " ----> the depotSize: "  +  depotsize);           } finally{                lock.unlock ();            }       }  }  

Producers, produce goods, add goods to the warehouse: [Java] view plain copy print?              public class Producer {private Depot Depot;       Public Producer (Depot Depot) {this.depot = Depot; The public void produce (final int value) {new Thread () {public void run () {&NB