ExamReader

Overview

ExamReader is a Java-based tool for analyzing and grading programming exam submissions.
It compares student codes with reference solutions and visualizes structures with Graphviz.

It generates:

• AST (Abstract Syntax Tree)
• CFG (Control Flow Graph)
• DDG (Data Dependency Graph)

Features

• Line-by-line token comparison
• Graph outputs (AST, CFG, DDG) in .png format
• Colored highlights for matched/mismatched lines
• Simple UI for graph viewing
• Variable matching

Structure

src/
├── Exam/ → core logic (Exam, Question, Assessment, StudentCode, RefCode, Code, Variable)
├── Graph/ → graph building & Graphviz export
└── UI/ → visualization interface