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using java ecipse In this project, you will implement an equation processor application using linked stack and cursor array implementations of a linked list. The
using java ecipse In this project, you will implement an
equation processor application using
linked stack and cursor array
implementations of a linked list. The
equation processor interface will look like
the following:
The equation file is a special text file
that has a extension. The equations in
this file are in infix andor postfix format.
typical equation file loaks like the following:
File: c:IdatalDSPro
Equation Section
Infix:
Posttix:
At start, the user has to click the Load button. The load button will open a file chooser to select an
equation file. The selected file will be displayed in the label next to the load button eg c:dataDS
Proj and then the file contents will be loaded as shown in previous figure if the file is
valid eg tags are balanced
Valid file: you need to check and indicate whether the file tags are balanced or not. Meaning that
each start tag has an end tag and they are closed in order.
Note: This cav be done using a stack similar to the balanced delimiters in equations.
In the Equation Section you need to load equations from the section from the file.
For Infix equations do convert the infix to postfix and then evaluate it
For postfix equations do convert the postfix to prefix and then evaluate it shown in the
previous figure.
Note: we dido't cover prefix in lectures. You need to study it by yowrself.
At last, the Prev and Next buttons will navigate through equation section. If you click the Next button.
it will display the equations from the section in the file if exists and on If you click the Prev
button, it will display the equations from the previous section in the file if exists.
To make the project more interesting:
We need you to implement the linked stack using a
cursor array.
You have to define course array and within this cursor
array you can create as many stacks as needed.
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