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How to isolate digits in a long variable for JAVA? long 122343434434 how to isolate the 2nd number? 
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Problem 2. Create a new java file called Barcode.java that will check to see if a given barcode number is valid. Barcodes have a 12 digit number on them that is used to determine the validity of the code. This is done by summing the odd position digits (1,3,5,7,9 and …
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