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Store.java

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package multithreading.SemStoreRunner;

public class Store {

Int curSlots;

Int maxSlots;

Store(int c,int m){

this.curSlots = new Int(c);

this.maxSlots = new Int(m);

}

synchronized void addItem(){

if(curSlots.get()==5)

return;

curSlots.addOne();

}

synchronized void takeItem(){

if(curSlots.get()==0)

return;

curSlots.takeOne();

}

}

class Int {

int val;

Int(int x){

this.val=x;

}

synchronized int get(){

return val;

}

synchronized void addOne(){

this.val=this.val+1;

}

synchronized void takeOne(){

this.val=this.val-1;

}

}