Method start

output/java_guava/1.4.16/Stopwatch.java:148–154

Starts the stopwatch. @return this Stopwatch instance @throws IllegalStateException if the stopwatch is already running.

()

   */

  @CanIgnoreReturnValue
  public Stopwatch start() {
    checkState(!isRunning, "This stopwatch is already running.");
    isRunning = true;
    startTick = ticker.read();
    return this;
  }

  /**
   * Stops the stopwatch. Future reads will return the fixed duration that had elapsed up to this