Write a java code that does the following: Opens a file named NumberList.txt, uses a loop to write the numbers 1 through 100 to the file, and then closes the file. Opens the NumberList.txt file and reads all of the numbers from the file and displays them, and then closes the file. Opens the NumberList.txt file and reads all of the numbers from the file, calculate the sum of these numbers and displays their total. Opens a file named NumberList.txt for writing, but does not erase the contents of the file if it already exists.
Write a java code that does the following: Opens a file named NumberList.txt, uses a loop to write the numbers 1 through 100 to the file, and then closes the file. Opens the NumberList.txt file and reads all of the numbers from the file and displays them, and then closes the file. Opens the NumberList.txt file and reads all of the numbers from the file, calculate the sum of these numbers and displays their total. Opens a file named NumberList.txt for writing, but does not erase the contents of the file if it already exists.
Chapter6: Looping
Section: Chapter Questions
Problem 5PE
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Question
Write a java code that does the following:
- Opens a file named NumberList.txt, uses a loop to write the numbers 1 through 100 to the file, and then closes the file.
- Opens the NumberList.txt file and reads all of the numbers from the file and displays them, and then closes the file.
- Opens the NumberList.txt file and reads all of the numbers from the file, calculate the sum of these numbers and displays their total.
- Opens a file named NumberList.txt for writing, but does not erase the contents of the file if it already exists.
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