Why is hasNext() False, but hasNextLine() is True?

Question

Question

How is it that for a scanner object the hasNextLine() method returns true while the hasNext() method returns false?

Not

Answer 1

The Basic concept of hasNext() and hasNextLine() is

hasNextLine:- Returns true if there is another line in the input of this scanner. This method may block while waiting for input. The scanner does not advance past any input.

Returns: true if and only if this scanner has another line of input Throws: IllegalStateException - if this scanner is closed

hasNext

Returns true if the next complete token matches the specified pattern.

A complete token is prefixed and postfixed by input that matches the delimiter pattern. This method may block while waiting for input. The scanner does not advance past any input.

Parameters: pattern - the pattern to scan for

Returns: true if and only if this scanner has another token matching the specified pattern

Since your last input saying true for nextLine() because A call to scan.nextLine(); returns the next token. It's important to note that the scanner returns a space and a letter, because it's reading from the end of the last token until the beginning of the next line.