Final State of the Chapter

Scanner is useful in places where you would otherwise write an automaton. This is because it is an automaton that you can somewhat customize to your purposes.

You must wish to review the following topics. Click on an interesting topic to transition to its exposition.

• Finite-state transducer.
• labels on state transitions of finite-state transducers.
• The value of an assignment statement.
• The old character case conversion trick.
• The old empty String trick.
• The trim() method.
• Our implementation of the trim() method.
• parsing as problem solving.