Chapter 16. PC #8. Sum of Numbers (page 1073) Write a method that accepts an integer argument and returns the sum of all the integers from 1 up to the number passed as an argument. For example, if 50 is passed as an argument, the method will return the sum of 1, 2, 3, 4, . . . 50. Use recursion to calculate the sum. Demonstrate the method in a program. The program should ask the user to enter a number, which is then used to display the sum. if the user enters -1, then exit the program.
Chapter 16. PC #8. Sum of Numbers (page 1073) Write a method that accepts an integer argument and returns the sum of all the integers from 1 up to the number passed as an argument. For example, if 50 is passed as an argument, the method will return the sum of 1, 2, 3, 4, . . . 50. Use recursion to calculate the sum. Demonstrate the method in a program. The program should ask the user to enter a number, which is then used to display the sum. if the user enters -1, then exit the program.
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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JAVA PROGRAM ASAP
************* THE PROGRAM MUST WORK IN HYPERGRADE AND PASS ALL THE TEST CASES.****************
Chapter 16. PC #8. Sum of Numbers (page 1073)
Write a method that accepts an integer argument and returns the sum of all the integers from 1 up to the number passed as an argument. For example, if 50 is passed as an argument, the method will return the sum of 1, 2, 3, 4, . . . 50. Use recursion to calculate the sum. Demonstrate the method in a program.
The program should ask the user to enter a number, which is then used to display the sum. if the user enters -1, then exit the program.
Test Case 1
Please enter a number to calculate the sum or -1 to exit:\n
5ENTER
The sum of first 5 natural numbers is 15.\n
Please enter a number to calculate the sum or -1 to exit:\n
10ENTER
The sum of first 10 natural numbers is 55.\n
Please enter a number to calculate the sum or -1 to exit:\n
-1ENTER
5ENTER
The sum of first 5 natural numbers is 15.\n
Please enter a number to calculate the sum or -1 to exit:\n
10ENTER
The sum of first 10 natural numbers is 55.\n
Please enter a number to calculate the sum or -1 to exit:\n
-1ENTER
Test Case 2
Please enter a number to calculate the sum or -1 to exit:\n
-10ENTER
Invalid number. The entry should be a positive number.\n
Please enter a number to calculate the sum or -1 to exit:\n
0ENTER
Invalid number. The entry should be a positive number.\n
Please enter a number to calculate the sum or -1 to exit:\n
7ENTER
The sum of first 7 natural numbers is 28.\n
Please enter a number to calculate the sum or -1 to exit:\n
-1ENTER
-10ENTER
Invalid number. The entry should be a positive number.\n
Please enter a number to calculate the sum or -1 to exit:\n
0ENTER
Invalid number. The entry should be a positive number.\n
Please enter a number to calculate the sum or -1 to exit:\n
7ENTER
The sum of first 7 natural numbers is 28.\n
Please enter a number to calculate the sum or -1 to exit:\n
-1ENTER
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