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Computer Plus Plus Miscellaneous Difficulty: Medium

What will be the output of the following Java program? class recursion { int fact(int n) { int result; if (n == 1) return 1; result = fact(n - 1) * n; return result; } } class Output { public static void main(String args[]) { recursion obj = new recursion() ; System.out.print(obj.fact(5)); } } The below statement will return. $Var = substr ( ""abcdef"", -4, 1 ) ; The purpose of Thesaurus tool is used in MS word? What is the output of the following code? #include<stdio.h> int recursive_sum(int n) { if(n == 0) return 0; return n + recursive_sum(n - 1); } int main() { int n = 5; int ans = recursive_sum(n); printf("%d",ans); return 0; } Which of the following is an example for a postfix expression?