// 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);

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