How to make a method thread safe without using synchronized
keyword?
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Answer Posted / isak
Use ReentrantLock which belongs to java.util.concurrent.locks.ReentrantLock package
Below is the method printCount() which has synchronised without using synchronised.
Lock lock = new ReentrantLock();
public void printCount(String threadName){
lock.lock();
try {
for(int i = 5; i > 0; i--) {
System.out.println("Counter --- " + i +" With thread : "+threadName);
}
} catch (Exception e) {
System.out.println("Thread interrupted.");
}finally{
lock.unlock();
}
}
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