Complete the body for the recursive method fac(n) which computes n! (n factorial) for n >= 0. Note: n! = n(n - 1) (n - 2) (n - 2)… (2) (1), where n > 0 and zero factorial, 0! = 1. Complete the body for the recursive method sum(n) to compute the sum of the first n positive integers. Complete the body for the recursive method pow(x,n) for computing xn, for a positive integer n, and real number x. Complete the body for the recursive method isPalindrome(str) to determine if a string of text is a palindrome. This method accepts a String and returns true if the string reads the same forwards as backwards. The string is trivially true for empty or one(1) letter strings. Hint: You should make use of the subtring and charAt methods of the String. Run the Viewer of the Sierpinski Triangles and give a description of what you observed as it relates to recursion. Write a short summary (2-3 sentences is enough) of your observations. Feel free to explain what the recursive solution is doing by checking out its ControlPanel.
Complete the body for the recursive method fac(n) which computes n! (n factorial) for n >= 0. Note: n! = n(n - 1) (n - 2) (n - 2)… (2) (1), where n > 0 and zero factorial, 0! = 1. Complete the body for the recursive method sum(n) to compute the sum of the first n positive integers. Complete the body for the recursive method pow(x,n) for computing xn, for a positive integer n, and real number x. Complete the body for the recursive method isPalindrome(str) to determine if a string of text is a palindrome. This method accepts a String and returns true if the string reads the same forwards as backwards. The string is trivially true for empty or one(1) letter strings. Hint: You should make use of the subtring and charAt methods of the String. Run the Viewer of the Sierpinski Triangles and give a description of what you observed as it relates to recursion. Write a short summary (2-3 sentences is enough) of your observations. Feel free to explain what the recursive solution is doing by checking out its ControlPanel.
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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- Complete the body for the recursive method fac(n) which computes n! (n factorial) for n >= 0. Note: n! = n(n - 1) (n - 2) (n - 2)… (2) (1), where n > 0 and zero factorial, 0! = 1.
- Complete the body for the recursive method sum(n) to compute the sum of the first n positive integers.
- Complete the body for the recursive method pow(x,n) for computing xn, for a positive integer n, and real number x.
- Complete the body for the recursive method isPalindrome(str) to determine if a string of text is a palindrome. This method accepts a String and returns true if the string reads the same forwards as backwards. The string is trivially true for empty or one(1) letter strings. Hint: You should make use of the subtring and charAt methods of the String.
- Run the Viewer of the Sierpinski Triangles and give a description of what you observed as it relates to recursion. Write a short summary (2-3 sentences is enough) of your observations. Feel free to explain what the recursive solution is doing by checking out its ControlPanel.
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