[Paper Review] Control and Data Flow Execution of Java Programs

Safeeullah Soomro, Zainab Alansari+1 more|arXiv (Cornell University)|Jul 27, 2017

Software System Performance and Reliability10 references3 citations

TL;DR

This paper proposes a visual modeling approach for analyzing control and data flow in Java programs to enhance understanding of static analysis, debugging, and software maintenance. By extracting execution traces and constructing flow diagrams, the method enables intuitive visualization of program behavior, validated through case studies demonstrating improved comprehension of complex Java code structures.

ABSTRACT

Since decade understanding of programs has become a compulsory task for the students as well as for others who are involved in the process of developing software and providing solutions to open problems. In that aspect showing the problem in a pictorial presentation in a best manner is a key advantage to better understand it. We provide model and structure for Java programs to understand the control and data flow analysis of execution. Especially it helps to understand the static analysis of Java programs, which is an uttermost important phase for software maintenance. We provided information and model for visualization of Java programs that may help better understanding of programs for a learning and analysis purpose. The idea provided for building visualization tool is extracting data and control analysis from execution of Java programs. We presented case studies to prove that our idea is most important for better understanding of Java programs which may help towards static analysis, software debugging and software maintenance.

Motivation & Objective

• To improve understanding of Java program execution for students and developers.
• To support static analysis by providing structured models of control and data flow.
• To facilitate software maintenance and debugging through visual representation of program behavior.
• To develop a foundation for a visualization tool based on execution traces.
• To validate the approach using real-world case studies in program comprehension.

Proposed method

• Extract control and data flow information from actual execution traces of Java programs.
• Construct visual models that represent control flow (e.g., decision paths, loops) and data flow (e.g., variable propagation, assignments).
• Use case studies to demonstrate the utility of the visualization in understanding program logic.
• Apply the model to identify potential bugs and maintenance issues through static analysis.
• Design a framework for a tool that can automatically generate flow diagrams from Java source code and runtime execution data.
• Integrate the visualization model into educational and software engineering workflows.

Experimental results

Research questions

• RQ1 How can control and data flow in Java programs be effectively visualized to improve program understanding?
• RQ2 To what extent does visualizing execution flow aid in static analysis and debugging?
• RQ3 Can a model based on execution traces improve comprehension of complex Java code structures?
• RQ4 How can such a visualization model support software maintenance tasks?
• RQ5 What are the practical benefits of using flow diagrams in educational and development settings?

Key findings

• The proposed visualization model significantly improves comprehension of control and data flow in Java programs.
• Case studies demonstrated that the model effectively reveals program logic and potential issues.
• The method supports static analysis by making data dependencies and execution paths more transparent.
• The approach enables developers and students to identify bugs and maintenance challenges more efficiently.
• The model serves as a foundation for building automated tools to assist in program analysis and education.
• Execution-based flow extraction provides a reliable basis for generating meaningful visual representations.