Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question

Write a program that reads in numbers from the user and outputs the information specified below.

Part One: Get Valid Input 

Read in two integers from the user: a lower end of a range and an upper end of a range. Check if the numbers are valid (lower cannot be greater than upper). 

If the numbers are invalid, use a loop to ask for new numbers. Continue looping until you get two valid values.

Part Two: Calculate the Sum 

Use a loop to calculate the sum of all values from lower (inclusive) to upper (inclusive). Output the sum to the user.

Part Three: Analyze the Sum 

Determine if the sum is even or odd.

Determine if the sum is positive, negative, or zero.

Output this information to the user.

Part Four: Calculate the Average 

Calculate the average of all numbers in the range from lower (inclusive) to upper (inclusive).

Style and Additional Coding Requirements 

  • code should compile
  • properly space and indent your code
  • follow Java naming conventions for variables (lower camel case with no underscores)
  • choose the best loop and conditional structure for the task
  • write your program in a way that reduces duplicated or repeated code
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