Write a fully documented Java program that asks the user to enter a list of exam scores given as integer percentages in the range of 0 to 100. The user should indicate the end of the list by entering a sentinel value of -1. The program should include a loop for inputting the values. Within the loop, the program should count the total number of scores entered and accumulate an overall total of the scores. Decision statements should be used to determine the number of scores entered for each letter grade category (as shown below) as well as the lowest and highest score entered. After the loop is completed, the program should calculate the percentage of grades entered in each letter-grade category and the overall average. (See p. 255, Practice Programs 5, 6 & 7, Savitch) The test input and results should be similar to that shown below, including the spacing between lines, and aligning the columns. The grade-letter category percentage must be rounded to a whole number and the overall average percentage must be rounded to 1 decimal place. Sample program execution: Please enter a list of exam grades. End the list by entering a -1. 85 50 98 72 86 63 85 78 70 72 87 72 66 73 -1 There were 14 grades entered as follows: A grades (90 – 100): 1 or 7% B grades (80 – 89): 4 or 29% C grades (70 – 79): 6 or 43% D grades (60 – 69): 2 or 14% F grades (0 – 59): 1 or 7% The scores ranged from 50 to 98 The overall average was 75.5

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Write a fully documented Java program that asks the user to enter a list of exam scores given as integer percentages in the range of 0 to 100. The user should indicate the end of the list by entering a sentinel value of -1. The program should include a loop for inputting the values. Within the loop, the program should count the total number of scores entered and accumulate an overall total of the scores. Decision statements should be used to determine the number of scores entered for each letter grade category (as shown below) as well as the lowest and highest score entered. After the loop is completed, the program should calculate the percentage of grades entered in each letter-grade category and the overall average. (See p. 255, Practice Programs 5, 6 & 7, Savitch) The test input and results should be similar to that shown below, including the spacing between lines, and aligning the columns. The grade-letter category percentage must be rounded to a whole number and the overall average percentage must be rounded to 1 decimal place. Sample program execution: Please enter a list of exam grades. End the list by entering a -1. 85 50 98 72 86 63 85 78 70 72 87 72 66 73 -1 There were 14 grades entered as follows: A grades (90 – 100): 1 or 7% B grades (80 – 89): 4 or 29% C grades (70 – 79): 6 or 43% D grades (60 – 69): 2 or 14% F grades (0 – 59): 1 or 7% The scores ranged from 50 to 98 The overall average was 75.5

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