Java program for implentation of consumer problem using inter thread communication

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class Q
{
int n;
boolean valueSet=false;
synchronized int get()
{
if(!valueSet)
try
{
wait();
}
catch(InterruptedException e)
{
System.out.println("Interrupted Exception caught");
}
System.out.println("Got:"+n);
valueSet=false;
notify();
return n;
}
synchronized void put(int n)
{
if(valueSet)
try
{
wait();
}
catch(InterruptedException e)
{
System.out.println("Interrupted Exception caught");
}
this.n=n;
valueSet=true;
System.out.println("Put:"+n);
notify();
}
}
class Producer implements Runnable
{
Q q;
Producer(Q q)
{
this.q=q;
new Thread(this,"Producer").start();
}
public void run()
{
int i=0;
while(true)
{
q.put(i++);
}
}
}
class Consumer implements Runnable
{
Q q;
Consumer(Q q)
{
this.q=q;
new Thread(this,"Consumer").start();
}
public void run()
{
while(true)
{
q.get();
}
}
}
class ProdCons
{
public static void main(String[] args)
{
Q q=new Q();
new Producer(q);
new Consumer(q);
System.out.println("Press Control-c to stop");
}
}

class Q { int n; boolean valueSet=false; synchronized int get() { if(!valueSet) try { wait(); } catch(InterruptedException e) { System.out.println("Interrupted Exception caught"); } System.out.println("Got:"+n); valueSet=false; notify(); return n; } synchronized void put(int n) { if(valueSet) try { wait(); } catch(InterruptedException e) { System.out.println("Interrupted Exception caught"); } this.n=n; valueSet=true; System.out.println("Put:"+n); notify(); } } class Producer implements Runnable { Q q; Producer(Q q) { this.q=q; new Thread(this,"Producer").start(); } public void run() { int i=0; while(true) { q.put(i++); } } } class Consumer implements Runnable { Q q; Consumer(Q q) { this.q=q; new Thread(this,"Consumer").start(); } public void run() { while(true) { q.get(); } } } class ProdCons { public static void main(String[] args) { Q q=new Q(); new Producer(q); new Consumer(q); System.out.println("Press Control-c to stop"); } }