Transforming COBOL into Java

How can businesses move safely and cost-effectively from COBOL to an Object Oriented languages such as Java?

This research paper examines the process of migrating applications through automated code transformation, a mature approach perfected by Astadia as an answer to this question.

The document explores the key business drivers for making the step from COBOL to Java, and how Astadia’s CodeTurn makes this transition possible. It demonstrates the added value of the Astadia migration over other approaches, and demystify the migration process.

Research Paper Overview

Why transform from COBOL to Java?

  • Reasons to go to Java
  • Approaches: replacement, rewrite or automated migration

COBOL to Java: Architecting a Transformation

  • Keys to a successful migration
  • Key Traits of a professional software conversion tool
  • Flexible tools

COBOL to Java: A High Level Tour

  • Challenges
  • Simple and complex statements
  • Paragraphs and sections
  • Data items
  • Control-flow

Data Description and Binding Possibilities

  • COBOL source code
  • Java Counterpart: combined code-based data description & binding  
  • Java Counterpart: code-based data description & annotation-based binding  
  • Java Counterpart: XML resource-based data description & annotation-based binding  

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