pytdev
diff --git a/‎core-java-modules/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java‎
Lines changed: 5 additions & 2 deletions b/‎core-java-modules/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java‎
Lines changed: 5 additions & 2 deletions
@@ -11,9 +11,12 @@ public void execute() throws InterruptedException {
 		System.out.println("Available permit : " + semaphore.availablePermits());
 		System.out.println("Number of threads waiting to acquire: " + semaphore.getQueueLength());
 
-		if (semaphore.tryAcquire()) {
+		if (semaphore.tryAcquire()) 
+			try {		
 			// perform some critical operations
-			semaphore.release();
+			} finally {
+				semaphore.release();
+			}
 		}
 
 	}
Original file line number	Diff line number	Diff line change
`@@ -11,9 +11,12 @@ public void execute() throws InterruptedException {`
`11`	`11`	`System.out.println("Available permit : " + semaphore.availablePermits());`
`12`	`12`	`System.out.println("Number of threads waiting to acquire: " + semaphore.getQueueLength());`
`13`	`13`
`14`		`- if (semaphore.tryAcquire()) {`
	`14`	`+ if (semaphore.tryAcquire())`
	`15`	`+ try {`
`15`	`16`	`// perform some critical operations`
`16`		`- semaphore.release();`
	`17`	`+ } finally {`
	`18`	`+ semaphore.release();`
	`19`	`+ }`
`17`	`20`	`}`
`18`	`21`
`19`	`22`	`}`