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mainframe-migration

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sekacorn / Corn-COBOL-to-JAVA

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A NIST CCVS85 passing COBOL-to-Java transpiler that analyzes and converts COBOL programs into maintainable Java 21 code. Parses ANSI-85 COBOL via ANTLR4, builds an immutable IR, and generates clean Java with BigDecimal-based arithmetic for financial accuracy.

ui-design static-analysis cobol enterprise-software program-analysis compiler-design code-transformation cobol85 government-tech cobol-programming banking-software fintech-infrastructure cobol-modernization mainframe-migration legacy-system-modernization nist-ccvs85
  • Updated Apr 13, 2026
  • Java

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