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The Java Developers Almanac 1.4Order this book from Amazon. |
e51. Computing Elapsed Time// Get current time long start = System.currentTimeMillis(); // Do something ... // Get elapsed time in milliseconds long elapsedTimeMillis = System.currentTimeMillis()-start; // Get elapsed time in seconds float elapsedTimeSec = elapsedTimeMillis/1000F; // Get elapsed time in minutes float elapsedTimeMin = elapsedTimeMillis/(60*1000F); // Get elapsed time in hours float elapsedTimeHour = elapsedTimeMillis/(60*60*1000F); // Get elapsed time in days float elapsedTimeDay = elapsedTimeMillis/(24*60*60*1000F);
e49. Terminating the Application e50. Determining When the Application Is About to Exit e52. Loading Native Code e53. Implementing a Class That Can Be Sorted e54. Redirecting Standard Output, and Error e55. Getting the Size of the Heap
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