org.problets.student
Class AnswerList

java.lang.Object
  org.problets.student.AnswerList

public class AnswerList
extends java.lang.Object

To hold the current answer

Author:

Amruth Kumar

Constructor Summary

AnswerList()

Method Summary

void	addtoAnswer(CodeSegmentAttempt codeSegmentAttempt)
void	addtoAnswer(ErrorLine inErrorLine) This will be the method through which CodeView will communicate with StudentModel to register the user's answer to the current problem.
void	addtoAnswer(ExpressionViewStep step)
void	addtoAnswer(LineOutput inOutput) This method is used to record "No Output" specified by the user for the current code.
void	addtoAnswer(LineOutput inOutput, java.util.Vector actualAnswer) This method is used to record the output specified by the user for the current code.
void	addtoAnswer(java.util.Vector dataTrace)
java.util.Vector	getAnswers()
java.util.Vector	getAnswersForLine(int lineNumber) Method to return a vector of all the errors checked for this line
java.lang.Object	getLastAnswer()
int	getNumberEntries()
boolean	isProblemAttempted()
static void	main(java.lang.String[] args)
void	undoAllAnswers()
void	undoLastAnswer()
void	updateAnswersForLine(int lineNumber, java.util.Vector newAnswers, java.util.Vector actualAnswer) Method to update the output for a line
void	verifyOutputCorrectness(java.util.Vector actualAnswer) If the user manipulates the output of a program on the OutputStreamView panel this method is used to verify the correctness of the changes for Error-Flagging purposes

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AnswerList

public AnswerList()

Method Detail

getAnswersForLine

public java.util.Vector getAnswersForLine(int lineNumber)

Method to return a vector of all the errors checked for this line

Parameters:

line - number, an integer

Returns:

Vector of ErrorLine objects for this line

getLastAnswer

public java.lang.Object getLastAnswer()

getAnswers

public java.util.Vector getAnswers()

getNumberEntries

public int getNumberEntries()

isProblemAttempted

public boolean isProblemAttempted()

addtoAnswer

public void addtoAnswer(ErrorLine inErrorLine)

This will be the method through which CodeView will communicate with StudentModel to register the user's answer to the current problem. If the user has selected a new error for the problem, log it; else, remove the previously selected error from the answer log.

addtoAnswer

public void addtoAnswer(LineOutput inOutput)

This method is used to record "No Output" specified by the user for the current code.

addtoAnswer

public void addtoAnswer(LineOutput inOutput,
                        java.util.Vector actualAnswer)

This method is used to record the output specified by the user for the current code.

addtoAnswer

public void addtoAnswer(ExpressionViewStep step)

addtoAnswer

public void addtoAnswer(java.util.Vector dataTrace)

addtoAnswer

public void addtoAnswer(CodeSegmentAttempt codeSegmentAttempt)

undoLastAnswer

public void undoLastAnswer()

undoAllAnswers

public void undoAllAnswers()

updateAnswersForLine

public void updateAnswersForLine(int lineNumber,
                                 java.util.Vector newAnswers,
                                 java.util.Vector actualAnswer)

Method to update the output for a line

verifyOutputCorrectness

public void verifyOutputCorrectness(java.util.Vector actualAnswer)

If the user manipulates the output of a program on the OutputStreamView panel this method is used to verify the correctness of the changes for Error-Flagging purposes

main

public static void main(java.lang.String[] args)