Method name: camelCase

Parameter$($s$)$: A String of lower$-$case words separated by whitespace and made up only of the letters a$-$z$.$ Empty strings are allowed.

Return value: A String of the words in camel$-$case form. In programming, identifiers are single words, but sometimes a phrase is more descriptive. Camel case is a way of making a phrase into a single identifier, such that the first word is lower case, any successive words start with capital letters, and spaces are removed.

Example: camelCase$("$first letter in word"$)$ would return "firstLetterInWord".

Note $1$: You should solve this problem using a Scanner object and String methods.

Note $2$: To make a single character upper case: