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Best way to format if statement with multiple conditions

Asked 2008-10-31T10:15:17.880
98

If you want to some code to execute based on two or more conditions which is the best way to format that if statement ?

first example:-

if(ConditionOne && ConditionTwo && ConditionThree)
{
   Code to execute
}

Second example:-

if(ConditionOne)
{
   if(ConditionTwo )
   {
     if(ConditionThree)
     {
       Code to execute
     }
   }
}

which is easiest to understand and read bearing in mind that each condition may be a long function name or something.

if-statement formatting language-agnostic
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1 Answer

3

The first one is easier, because, if you read it left to right you get: "If something AND somethingelse AND somethingelse THEN" , which is an easy to understand sentence. The second example reads "If something THEN if somethingelse THEN if something else THEN", which is clumsy.

Also, consider if you wanted to use some ORs in your clause - how would you do that in the second style?

answered 2008-10-31T10:16:41.590

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