Question

I’m currently doing an online course, however it doesn’t seem to enjoy this method: Character.isWhiteSpace(c)

What other methods are there that can answer the below question?

Assume that c is a char variable has been declared and already given a value. Write an expression whose value is true if and only if x is what is called a whitespace character (that is a space or a tab or a newline– none of which result in ink being printed on paper).

Answer 1

if you don’t want to/can’t use libraries

c==' '||c=='\t'||c=='\n'||c=='\r'

note that \r is a carriage return it’s part of the windows \r\n combination (and used commonly in network protocols)