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long startTime = System.nanoTime();
your program . ..
long endTime = System.nanoTime();
long totalTime = endTime - startTime;
System.out.println(totalTime);
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long start = System.currentTimeMillis();
class.method();
long time = System.currentTimeMillis() - start;
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long startTime = System.nanoTime();
myCall();
long stopTime = System.nanoTime();
System.out.println(stopTime - startTime);