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First your program should ask if the credit card is MasterCard or visa card. Then ask the 16 digit credit card number. Then add all the digits in the credit card number and get the modulo 10. If the modulo 10 of the summation of all the digits is zero, then its valid visa card.
If the modulo 10 of the summation of all the digits is 1 then its valid MasterCard. Otherwise, the number customer has entered is an invalid card number. There are two other requirements that make this problem unique:
A) You need to read the card number as a single string and each 4 numbers in the card must be separated by a space. For example, following is a correct input 1234 5678 6789 1235
B) Card number must have 16 digits. If not, display the error message "incorrect card number"
My main issue has been parsing the integers from the long string. I'm using scan.nextLine() to capture the entire number with the spaces, but when I try to parse it, I get a NumberFormatException error.
Two computers have recently failed and require replacement. Which version of Windows 7 should be purchased with the new computers?
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Starting with a given location of the empty hole, find a shortest sequence of moves that eliminates 14 pegs with no limitations on the final position of the remaining peg.
Draw 2 graphs for consumer maximization using a budget line and indifference curves.SHow Good X and X-axis and good y-axis.Also,use Px as price of Y with M as income.
Write a return method named from Ten that returns an integer. fromTen takes in one parameter oftype integer named num. fromTen will return the absolute value of th edifference between num and 10. Do not write a Class, just a Method.
Consider the following context-free grammar, which describes C-style function declarations involving pointers:
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How do the three types of systems described in the chapter relate to these two categories?
Does LEAN practice concepts align closely with Business Process Engineering?
Planning Server Image Deployment
You created a workbook to store agent names, student IDs, and tour codes. The workbook also contains a work- sheet to store lookup tables.
What is the name of the component which forms the electric connection between the rotating coil of wire and the external source of electrical energy?
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