HINTS.md

Hints

1. Replace any spaces encountered with underscores

• This tutorial is useful.
• Reference documentation for chars is here.
• You can retrieve chars from a string using the charAt method.
• You should use a StringBuilder to build the output string.
• See this method for detecting spaces. Remember it is a static method.
• char literals are enclosed in single quotes.

2. Replace control characters with the upper case string "CTRL"

• See this method to check if a character is a control character.

3. Convert kebab-case to camel-case

• See this method to convert a character to upper case.

4. Omit Greek lower case letters

• chars support the default equality and comparison operators.