 COBOL
        COBOL  
      【COBOL】分離符活用の7つのステップ    
   COBOL
        COBOL   C++
        C++   Objctive-C
        Objctive-C   PHP
        PHP   Ruby
        Ruby   C++
        C++   Ruby
        Ruby   HTML
        HTML   Groovy
        Groovy   PHP
        PHP   C++
        C++   PHP
        PHP   Swift
            Swift     C++
            C++     JS
            JS     JS
            JS     Python
            Python     Verilog
            Verilog     JS
            JS     Python
            Python     PHP
            PHP     JS
            JS