Question
I need a JAVA code. Overview: Your assignment is to construct a program that validates input using a state machine. Configuration Rules: Your program must
I need a JAVA code.
Overview: Your assignment is to construct a program that validates input using a state machine.
Configuration Rules: Your program must be called validator and take 2 command line parameters a state machine filename, then a filename of inputs to validate. For example:
validator myStateMachine.txt myInputs.txt
State Machine: The state machine will come from a text file in the following space delimited format:
stateNumber inputCharacter transitionsToState
For example:
0 A 1
0 a 1
1 B 2
1 b 2
2 C 999
There are three terminal situations:
999 success when this state is reached, print Success and end.
failure (no transitions match) print Failure at position ___, found character _.
failure (input string ends early) print Input string ended before success transition.
Note each state can have ANY NUMBER (1 or more) of transitions to other states. The transitions do not have to happen in any specific order (for example state 1 could transition forwards to state 4 and state 5 could transition backward to state 2). States will be sorted in the text file (0,1,2,3,4, etc.).
Input File: The inputs to validate is some number (1 or more) of lines of text. Example:
abc
AbC
Restrictions: You may use Java file I/O classes and collections. You may not use any state machine classes that are included with Java or that you have found elsewhere. YOU MUST WRITE ALL OF THE CODE YOURSELF except for the Java I/O classes and collections.
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