Consider the following recursive method: public static int Fun(int x){ if(x == 0) //line 1 return 0 //line 2 else if( x == 1) //line 3 return 1; //line 4 else //line 5 return (x*Fun(x-1)); //line 5 } 1) Is Fun(4) a valid call? If so, what is the value? If not, explain why? 2) Is Fun(-4) is a valid call? If so, what is the value? If not, explain why?
Consider the following recursive method: public static int Fun(int x){ if(x == 0) //line 1 return 0 //line 2 else if( x == 1) //line 3 return 1; //line 4 else //line 5 return (x*Fun(x-1)); //line 5 } 1) Is Fun(4) a valid call? If so, what is the value? If not, explain why? 2) Is Fun(-4) is a valid call? If so, what is the value? If not, explain why?
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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Consider the following recursive method:
public static int Fun(int x){
if(x == 0) //line 1
return 0 //line 2
else if( x == 1) //line 3
return 1; //line 4
else //line 5
return (x*Fun(x-1)); //line 5
}
1) Is Fun(4) a valid call? If so, what is the value? If not, explain why?
2) Is Fun(-4) is a valid call? If so, what is the value? If not, explain why?
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