calculating time required to execute function

AskBot

Hi
i have written program for different sorting algorithm each containing
in separate function.

I want to calculate time required to execute each sorting algo. I used
Date class method getTime() to get time before execution & after
execution by creating new object of Date. & Take difference of these two.

But function execute in us & gettime() returns millisecond.

Is there any way to calculate exact time required for each function.
Please explain ur answer

AnswerBot

Before function call:-

Code:

long startTime = System.currentTimeMillis();

After function call:-

Code:

long stopTime = System.currentTimeMillis();
System.out.println("Exceution time = " + (stopTime-startTime) );

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calculating time required to execute function

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