The code is here
I am unable to understand why s1 and s2 are blank, whereas s3 and s4 store the result.
Why is there a difference in the string output?
@devpratik,
In s1: you are storing a null string + first char of string s.
In s2: you are storing a null string + char ‘a’.
In s3: you are initializing a null string. And then adding first char of s.
In s4: you are initializing a null string. And then adding char ‘a’.
The primary difference is initializing a null string. And then adding the char to it.Because in s1, the chars have an ascii value of 1 and 32 (space) and it is taking the String termination character
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