question: private void logThreadStatistics ( ) { int threadCount = threadMXBean . getThreadCount ( ) ; long totalStartedThreads = threadMXBean . getTotalStartedThreadCount ( ) ; StringBuilder sb = new StringBuilder ( ) ; sb . append ( "Threads: " ) ; sb . append ( threadCount ) ; sb . append ( " total started: " ) ; sb . append ( totalStartedThreads ) ; log . info ( sb . toString ( ) ) ; }
target:  Log the thread statistics.