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Thread: Counting the number of statement in java code

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    Default Counting the number of statement in java code

    Hello folks,

    I have started learning java, and this might be a really easy question, is there any a correct way to count the number of statements in Java code and to count the number of statements which have been executed?

    I am studying about 'statement coverage' and want to understand this concept.

    For example how may statements are there in the following code?

    Printsum (Int a, Int b) { ------------ Printsum is a function
    Int result = a+ b;
    If (result> 0)
    Print ("Positive", result)
    Else
    Print ("Negative", result)
    }

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    Member John Joe's Avatar
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    Default Re: Counting the number of statement in java code

    Can you provide some example ? What did you mean by number of statements?
    Whatever you are, be a good one

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    Super Moderator Norm's Avatar
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    Default Re: Counting the number of statement in java code

    Before you can count statements you need a definition for what is a statement.
    Can you post your definition for what is a statement?
    If you don't understand my answer, don't ignore it, ask a question.

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    Default Re: Counting the number of statement in java code

    This is how I would count the number of statements:

    1). Printsum (Int a, Int b) { ------------ Printsum is a function
    2). Int result = a+ b;
    3). If (result> 0)
    4). Print ("Positive", result)
    Else
    5). Print ("Negative", result)
    }

    Some statements are in turn made up of other sub statements. So while the "If Else" is a statement it is also made up of the sub statements numbers 4 and 5.

    Do a search for "Java railroad diagram". It will describe what to count as statements. As for automatically counting the number of statements in a class you might try using the "abstract syntax tree" for that class but I'm not 100% sure it will give you exactly what you are looking for.

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    Default Re: Counting the number of statement in java code

    There are existing tools available for that. For example JaCoCo and EclEmma.
    Tim Driven Development

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