From 652b1341b66f1621886ab896e17fe760164c164e Mon Sep 17 00:00:00 2001 From: larsu Date: Wed, 4 Feb 2026 17:12:21 +0400 Subject: [PATCH 1/2] implemented thread-safe counter decrease --- src/main/java/core/basesyntax/Counter.java | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/main/java/core/basesyntax/Counter.java b/src/main/java/core/basesyntax/Counter.java index 4af46bd4..feb1ad7d 100644 --- a/src/main/java/core/basesyntax/Counter.java +++ b/src/main/java/core/basesyntax/Counter.java @@ -12,7 +12,7 @@ public Counter(int value) { this.value = value; } - public void decreaseValue() { + public synchronized void decreaseValue() { logger.info(String.format(MESSAGE, "Before decrementing", Thread.currentThread().getName(), value)); value--; From c8ff94d25a92aef0860a6f4a9a3f3d7f8945bc9e Mon Sep 17 00:00:00 2001 From: larsu Date: Wed, 4 Feb 2026 17:15:43 +0400 Subject: [PATCH 2/2] added logfile to PR --- logs/app.log | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 logs/app.log diff --git a/logs/app.log b/logs/app.log new file mode 100644 index 00000000..9ce9aadd --- /dev/null +++ b/logs/app.log @@ -0,0 +1,40 @@ +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 1, counter value 20 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 1, counter value 19 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 19, counter value 19 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 19, counter value 18 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 20, counter value 18 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 20, counter value 17 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 18, counter value 17 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 18, counter value 16 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 17, counter value 16 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 17, counter value 15 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 15, counter value 15 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 15, counter value 14 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 14, counter value 14 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 14, counter value 13 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 16, counter value 13 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 16, counter value 12 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 13, counter value 12 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 13, counter value 11 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 11, counter value 11 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 11, counter value 10 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 12, counter value 10 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 12, counter value 9 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 10, counter value 9 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 10, counter value 8 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 9, counter value 8 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 9, counter value 7 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 8, counter value 7 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 8, counter value 6 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 7, counter value 6 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 7, counter value 5 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 6, counter value 5 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 6, counter value 4 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 5, counter value 4 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 5, counter value 3 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 4, counter value 3 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 4, counter value 2 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 3, counter value 2 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 3, counter value 1 +INFO core.basesyntax.Counter:16 Before decrementing, Thread # 2, counter value 1 +INFO core.basesyntax.Counter:19 After decrementing, Thread # 2, counter value 0