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you can check for null by string == null or better yet string.equal(null);

but yes the problem is in bold

if you did the review on the api's then you will see that you get the int back for...

String API subString

look at the subString api your looking for the \n so

String str = "The dog ran through the fence \nafter the rabbit.\n\r"


you found the first section of the first...