From f3537acf6b7e7e2b4d90f1a21ec9ad841dc23dae Mon Sep 17 00:00:00 2001
From: IgorNB <igornb.mail@gmail.com>
Date: Wed, 2 Oct 2019 12:52:46 +0300
Subject: [PATCH] SemaPhoreDemo double acquire fix

tryAcquire() already acquires a permit, if one is available (no need to call acquire() after it)
---
 .../java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java    | 1 -
 1 file changed, 1 deletion(-)

diff --git a/core-java-modules/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java b/core-java-modules/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java
index 3a1d8555d3..211ae78c1f 100644
--- a/core-java-modules/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java
+++ b/core-java-modules/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java
@@ -12,7 +12,6 @@ public class SemaPhoreDemo {
 		System.out.println("Number of threads waiting to acquire: " + semaphore.getQueueLength());
 
 		if (semaphore.tryAcquire()) {
-			semaphore.acquire();
 			// perform some critical operations
 			semaphore.release();
 		}