更新時間:2025-08-17 09:05:56作者:留學之路
COBOL是一種計算機程序設計語言。COBOL是CObject-oriented Data Language的縮寫,是一種被設計用于創建商業應用的計算機編程語言。它被用于在大型機系統中創建用戶界面和使用數據庫。COBOL語言支持基于文本的命令,并且它對數據結構提供了全面的支持。
1. program name
2. data set
3. record
4. file
5. subroutine
6. loop
7. conditionals (if, else)
8. switches (case)
9. input/output (i/o)
10. records (records, record header, record trailer)
11. variables
12. arrays
13. lists
14. comments
15. error handling
16. debugging
17. memory management
18. file control statements
19. file status statements
20. data entry screens
21. transaction statements
22. batch processing
23. job control language (JCL)
24. job steps
25. job queues
26. job scheduling
27. data definitions (data descriptors)
28. data structures (data sets, records, arrays, lists)
29. data transfer statements (move, transfer)
30. data verification statements (verify)