How to change the case of a single letter in a string ?

Question

I have been given 2 strings as "hello" and "world". The output string required is "Hello World". How do i change the case of the first letter ?

Answer 1

Hi Prateek.

varName = varName.toLowerCase()

varName = varName.substring(0, 1).toUpperCase() + varName.substring(1).toLowerCase()

// do this for each variable