HCLTech Servicenow Developer Interview Questions and Answers

Switch case is used for multiple conditions while if else is for binary conditions. Sorting can be done using various algorithms.

• Switch case is faster than if else for multiple conditions

• If else is more readable for binary conditions

• Sorting can be done using bubble sort, insertion sort, quick sort, etc.

• Example code for bubble sort: for(i=0;iarr[j+1]){swap(&arr[j],&arr[j+1]);}}}

Difference between compiler and interpreter with a coding challenge

• Compiler translates the entire code into machine language before execution while interpreter translates line by line during execution

• Compiler generates an executable file while interpreter does not

• Compiler is faster but debugging is harder while interpreter is slower but debugging is easier

• Coding challenge: Write a program to find the sum of two numbers