Frequent question: Is stopwatch thread safe?

Is java StopWatch thread-safe?

Guava developers make use of their own Preconditions class to ascertain these aberrant conditions and to the throwing of these exceptions. The further implication of this, which is spelled out in the Javadoc documentation, is that Stopwatch is not thread-safe and should be used in a single-thread environment.

Is c# StopWatch thread-safe?

Looking at the source code, it is thread-safe, but you must not use: Stop() , Reset() and Restart() . So, if you start a shared instance, does not modify it and call only ElapsedXXX properties, you should be fine.

Is spring StopWatch thread-safe?

StopWatch works like its name. Spring has provided a StopWatch to verify performance while development spring application. … StopWatch is not thread safe.

Is using thread-safe?

A MessageService object is effectively immutable since its state can’t change after its construction. Hence, it’s thread-safe. Moreover, if MessageService were actually mutable, but multiple threads only have read-only access to it, it’s thread-safe as well.

How do I use Google stopwatch?


  1. Open your phone’s Clock app .
  2. At the top, tap Timer.
  3. Enter how long you want the timer to run.
  4. Tap Start .
  5. When your timer finishes, you’ll hear beeping. To stop the beeping, tap Stop .

How does C# stopwatch work?

The Stopwatch measures elapsed time by counting timer ticks in the underlying timer mechanism. If the installed hardware and operating system support a high-resolution performance counter, then the Stopwatch class uses that counter to measure elapsed time.

IT IS AMAZING:  Why was the talking clock called Tim?

What is stopwatch in C#?

Stopwatch is a class in C# to measure the elapsed time. Use it to calculate the time a function took to execute. It is found under System. Diagnostics. To get the elapsed time, firstly begin the Stopwatch − var sw = Stopwatch.StartNew();

What is timer elapsed in C#?

Elapsed event every two seconds (2000 milliseconds), sets up an event handler for the event, and starts the timer. The event handler displays the value of the ElapsedEventArgs. SignalTime property each time it is raised.

Is system currentTimeMillis thread safe?

public static long currentTimeMillis() // Returns the current time in milliseconds. Pros: It is thread safe. Thread safety means that if this method is called between two or more different threads, it will not return erroneous results.

What is stopwatch in Java?

Use Guava’s Stopwatch class. An object that measures elapsed time in nanoseconds. It is useful to measure elapsed time using this class instead of direct calls to System. nanoTime() for a few reasons: An alternate time source can be substituted, for testing or performance reasons.