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This program requires you to process user input, which you must do using a Scanner. You may assume that all monetary inputs will be real numbers, and that all other input will be integers. You may also assume the user always enters valid input. Specifically, you may assume that: ▪ the user will always enter a value of the correct type the user will always enter a number of income and expense categories > 1 ▪ the user will only ever enter 1 or 2 when asked whether to enter monthly or daily expenses ▪ the user will only enter a non-negative amount for each category of income and expense ■ Class constant As described above, your program should assume there are 31 days in a month by default, but this value should be able to be easily changed. You must introduce a class constant for the number of days in a month, and use this constant throughout your program. See the example logs for sample executions with alternate values for the constant. The Mark button in Ed will test your program with different constant values. To ensure our testing and grading scripts work correctly, you must name your constant DAYS_IN_MONTH. In addition, please set the value of the constant to 31 order. before submitting your work. A Make sure you declare your constant exactly right, using the keywords public static final, in that Working with Numbers/Rounding For all numerical values in your program, you should use the type (int or double) that is more appropriate for the value. In particular, you should NOT simply use double for all values. In addition, you must not round values until they are output; all calculations should be performed using the full values. Permitted Java Features For this assessment, you are restricted to Java concepts covered in chapters 1 through 4 of the textbook. In particular, you MUST use parameters and return values. You are NOT permitted to use the printf method or arrays on this assessment

This program requires you to process user input, which you must do using a Scanner. You may assume that all monetary inputs will be real numbers, and that all other input will be integers. You may also assume the user always enters valid input. Specifically, you may assume that: ▪ the user will always enter a value of the correct type the user will always enter a number of income and expense categories > 1 ▪ the user will only ever enter 1 or 2 when asked whether to enter monthly or daily expenses ▪ the user will only enter a non-negative amount for each category of income and expense ■ Class constant As described above, your program should assume there are 31 days in a month by default, but this value should be able to be easily changed. You must introduce a class constant for the number of days in a month, and use this constant throughout your program. See the example logs for sample executions with alternate values for the constant. The Mark button in Ed will test your program with different constant values. To ensure our testing and grading scripts work correctly, you must name your constant DAYS_IN_MONTH. In addition, please set the value of the constant to 31 order. before submitting your work. A Make sure you declare your constant exactly right, using the keywords public static final, in that Working with Numbers/Rounding For all numerical values in your program, you should use the type (int or double) that is more appropriate for the value. In particular, you should NOT simply use double for all values. In addition, you must not round values until they are output; all calculations should be performed using the full values. Permitted Java Features For this assessment, you are restricted to Java concepts covered in chapters 1 through 4 of the textbook. In particular, you MUST use parameters and return values. You are NOT permitted to use the printf method or arrays on this assessment

Database System Concepts
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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This program requires you to process user input, which you must do using a Scanner. You may assume that all monetary inputs will be real numbers, and that all other input will be integers. You may also assume the user always enters valid input. Specifically, you may assume that: ▪ the user will always enter a value of the correct type ▪ the user will always enter a number of income and expense categories > 1 ▪ the user will only ever enter 1 or 2 when asked whether to enter monthly or daily expenses ▪ the user will only enter a non-negative amount for each category of income and expense Class constant As described above, your program should assume there are 31 days in a month by default, but this value should be able to be easily changed. You must introduce a class constant for the number of days in a month, and use this constant throughout your program. See the example logs for sample executions with alternate values for the constant. The Mark button in Ed will test your program with different constant values. To ensure our testing and grading scripts work correctly, you must name your constant DAYS_IN_MONTH. In addition, please set the value of the constant to 31 order. before submitting your work. A Make sure you declare your constant. exactly right, using the keywords public static final, in that Working with Numbers/Rounding For all numerical values in your program, you should use the type (int or double) that is more appropriate for the value. In particular, you should NOT simply use double for all values. In addition, you must not round values until they are output; all calculations should be performed using the full values. Permitted Java Features For this assessment, you are restricted to Java concepts covered in chapters 1 through 4 of the textbook. In particular, you MUST use parameters and return values. You are NOT permitted to use the printf method or arrays on this assessment.
Transcribed Image Text:This program requires you to process user input, which you must do using a Scanner. You may assume that all monetary inputs will be real numbers, and that all other input will be integers. You may also assume the user always enters valid input. Specifically, you may assume that: ▪ the user will always enter a value of the correct type ▪ the user will always enter a number of income and expense categories > 1 ▪ the user will only ever enter 1 or 2 when asked whether to enter monthly or daily expenses ▪ the user will only enter a non-negative amount for each category of income and expense Class constant As described above, your program should assume there are 31 days in a month by default, but this value should be able to be easily changed. You must introduce a class constant for the number of days in a month, and use this constant throughout your program. See the example logs for sample executions with alternate values for the constant. The Mark button in Ed will test your program with different constant values. To ensure our testing and grading scripts work correctly, you must name your constant DAYS_IN_MONTH. In addition, please set the value of the constant to 31 order. before submitting your work. A Make sure you declare your constant. exactly right, using the keywords public static final, in that Working with Numbers/Rounding For all numerical values in your program, you should use the type (int or double) that is more appropriate for the value. In particular, you should NOT simply use double for all values. In addition, you must not round values until they are output; all calculations should be performed using the full values. Permitted Java Features For this assessment, you are restricted to Java concepts covered in chapters 1 through 4 of the textbook. In particular, you MUST use parameters and return values. You are NOT permitted to use the printf method or arrays on this assessment.
This program prompts a person for income and expense amounts, then calculates their net monthly income. Like Assessment 3, this program's behavior is dependent on input from a user (user input is bold and underlined in the examples below). Your output should match our examples exactly when given the same input, but if the input changes, the output will also. Additional execution logs will be posted on the course website, and you can use the Mark button in Ed to check your output for various inputs. Sample program execution #1 This program asks for your monthly income and expenses, then tells you your net monthly income. How many categories of income? 3 Next income amount? $1000 Next income amount? $250.25 Next income amount? $175.50 Enter 1) monthly or 2) daily expenses? 1 How many categories of expense? 4 Next expense amount? $850 Next expense amount? $49.95 Next expense amount? $75 Next expense amount? $120.67 Total income = $1425.75 ($45.99/day) Total expenses = $1095.62 ($35.34/day) You earned $330.13 more than you spent this month. You're a big saver. << Your custom message goes here >> A Make sure that the format and structure of your output exactly match the given logs. How many categories of income? 2 Next income amount? $800 Next income amount? $201.30 A Notice that the dollar signs are not part of the user input. They should be printed by the program as part of the prompt. Sample program execution #2 This program asks for your monthly income and expenses, then tells you your net monthly income. Enter 1) monthly or 2) daily expenses? 2 How many categories of expense? 1 Next expense amount? $45.33 Total income = $1001.3 ($32.3/day) Total expenses = $1405.23 ($45.33/day) You spent $403.93 more than you earned this month. You're a big spender. << Your custom message goes here >>
Transcribed Image Text:This program prompts a person for income and expense amounts, then calculates their net monthly income. Like Assessment 3, this program's behavior is dependent on input from a user (user input is bold and underlined in the examples below). Your output should match our examples exactly when given the same input, but if the input changes, the output will also. Additional execution logs will be posted on the course website, and you can use the Mark button in Ed to check your output for various inputs. Sample program execution #1 This program asks for your monthly income and expenses, then tells you your net monthly income. How many categories of income? 3 Next income amount? $1000 Next income amount? $250.25 Next income amount? $175.50 Enter 1) monthly or 2) daily expenses? 1 How many categories of expense? 4 Next expense amount? $850 Next expense amount? $49.95 Next expense amount? $75 Next expense amount? $120.67 Total income = $1425.75 ($45.99/day) Total expenses = $1095.62 ($35.34/day) You earned $330.13 more than you spent this month. You're a big saver. << Your custom message goes here >> A Make sure that the format and structure of your output exactly match the given logs. How many categories of income? 2 Next income amount? $800 Next income amount? $201.30 A Notice that the dollar signs are not part of the user input. They should be printed by the program as part of the prompt. Sample program execution #2 This program asks for your monthly income and expenses, then tells you your net monthly income. Enter 1) monthly or 2) daily expenses? 2 How many categories of expense? 1 Next expense amount? $45.33 Total income = $1001.3 ($32.3/day) Total expenses = $1405.23 ($45.33/day) You spent $403.93 more than you earned this month. You're a big spender. << Your custom message goes here >>
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