Instance of a SyntaxTree object is null. I don''t know why.?, JAVA Programming

I have been working on my compiler''s parser now. And for some reason i cant make my parse tree printer to work. SyntaxTree keeps on showing as null when i invoke the print() method. Please help me.

This is the whole project file.

https://www.mediafire.com/download.php?2zi6438s67pynv9

Related Discussions:- Instance of a SyntaxTree object is null. I don''t know why.?

Automated the claim sub-system, Automated the claim sub-system: Insur...

Automated the claim sub-system: Insurance Domain: CIA-MI Type Development - Web-based Application Role

I want customize tumblr theme, I need Customize Tumblr theme Project Des...

I need Customize Tumblr theme Project Description: I have a blog here I would like to customize it as follows; 1) Modify the horizontal navigation from the bottom of th

Nested For-Loop, I''m having trouble with creating a nested for loop to cre...

I''m having trouble with creating a nested for loop to create a table that displays every number divisible by two within the given value. For example, if the number is 8 then there

Develop student furniture finder, Project Description: We are looking to...

Project Description: We are looking to prepare an app which allows the user (a student or an expat in a new country) to select from a list of furniture items to prepare a packag

What is the output of the following javascript code, What is the output of ...

What is the output of the following JavaScript code? name="Ali Akbar"; document.write(name.charAt(4)) ;

Which are three elements of event handler, The event handler attribute cons...

The event handler attribute consists of three elements. Write about each of them? 1. The identifier of the event handler. 2. The equal sign. 3. A string consisting of JavaScrip

What is the role of fonts in java explain with example, What is the role of...

What is the role of fonts in java explain with example? You've already seen one instance of drawing text in the HelloWorldApplet program of the last chapter. You call the drawS

Explain vector or object-oriented graphics, Explain Vector or Object-Orient...

Explain Vector or Object-Oriented Graphics? The representation of graphical objects, like as lines, circles, arcs, and rectangles, along with mathematical formulas. This techni

How you returning values from methods in java, How you Returning Values Fro...

How you Returning Values From Methods in java ? It's frequent meaningful to have a method return a value to the class which is known as it. This is accomplished through the ret

Difference among microprocessors and microcontrollers, What is the differen...

What is the difference among microprocessors and microcontrollers? Give one example of both? The microprocessor is electronic equipment that can perform various functions and a

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages