JavaNeed the bottom half answered. What does Recursion Require?1. Termination Condition2. Call the Clone (same function)3. Move towards Termination ConditionLabel the Recursion Requirements.Show the Activation Stack for n = 4.int fact (int n){int result;if (n==1)return 1;result = fact (n-1) * n:return result;boolean isPal (String s)Show the Activation Stack for "ZEROREZ"if (s.length () -- 0 | 8.length ()// if length =0 OR 1 then it isreturn true;if (charAt (0)// check first and last char of String:// if same then do same for substring// for substring and carry on this// remove first and last char.return isPal (s.substring (1, 3.length ()-1));1)S.charAt (s.length ()-1))// if its not the case than string is not.return false;}

Below i have drawn the call stack:

boolean iaPal (String s) { Show the Activation Stack for "ZEROREZ" if (enath ( ) == 0 || Eength () =- 1) 7/ if length =0 OR 1 then it is return true; if (sharAt (0) =- EcharAt (EuLenath ()-1)) 7/ check first and last char of String: // if same then do same for substring // for substring and carry on this // remove first and last char. return isPal ( string (1, tenath ()-1)); // if its not the case than string is not. return false:

boolean iaPal (String s) { Show the Activation Stack for "ZEROREZ" if (enath ( ) == 0 || Eength () =- 1) 7/ if length =0 OR 1 then it is return true; if (sharAt (0) =- EcharAt (EuLenath ()-1)) 7/ check first and last char of String: // if same then do same for substring // for substring and carry on this // remove first and last char. return isPal ( string (1, tenath ()-1)); // if its not the case than string is not. return false:

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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