Big Java Late Objects
2nd Edition
ISBN: 9781119330455
Author: Horstmann
Publisher: WILEY
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Textbook Question
Chapter 4, Problem 5RE
Write a loop that computes
- a. The sum of all even numbers between 2 and 100 (inclusive).
- b. The sum of all squares between 1 and 100 (inclusive).
- c. The sum of all odd numbers between a and b (inclusive).
- d. The sum of all odd digits of n. (For example, if n is 32677, the sum would be 3 + 7 + 7 = 17.)
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Which for statement repeats for all positive four-digit integers in decreasing order?
I.e.: the for loop will repeat for 9999, 9998, 9997, ..., 1000.
Select one:
a. for (int j = 9999; j > 1000; j--)
b. for (int j = 1000; j 999; j--)
e. None of the others
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…
Write the following loops.
a. Write a while loop that prints all the even numbers from 1 to 100
(inclusive).
b. Write do while loop to print all the odd numbers from 1 to 100
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Chapter 4 Solutions
Big Java Late Objects
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