(I don't use Java, but) I'd probably use the Java Streams API.
Optional<int> whitespaceIndex = IntStream.range(0, this.source.length()) .filter(i -> Character.isWhiteSpace(this.source.charAt(i))) .findFirst(); Optional<char> whitespaceChar = whitespaceIndex.map(i -> this.source.charAt(i));
Using Optional makes it obvious you have to handle when whitespace is not found.
Optional
Note: not guaranteed to compile.
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(I don't use Java, but) I'd probably use the Java Streams API.
Using
Optionalmakes it obvious you have to handle when whitespace is not found.Note: not guaranteed to compile.