Mainframe is Back

首先，Cobol是什么？Cobol是Common Business Oriented Language的缩写。与Java,C++这样的OO语言相比，主要的作用是用于处理大批量的记录。现在主要应用与大型机和小型机上面。 Cobol中主要分为四个DIVISION分别是： 1.IDENTIFICATION DIVISION 2.ENVIRONMENT DIVISION 3.DATA DIVISION 4.PROCEDURE DIVISION 下面是一个最简单的Cobol程序，用于输出”Hello World”: IDENTIFICATION DIVISION. PROGRAM-ID. HELLO. PROCEDURE DIVISION. DISPLAYHELLO. DISPLAY “HELLO WORLD”. STOP RUN. 该程序在大机上为：

The Four Divisions

COBOL basics Introduction This section presents the fundamentals of constructing COBOL programs. It explains the notation used in COBOL syntax diagrams and enumerates the COBOL coding rules. It shows how user-defined names are constructed and examines the structure of COBOL  [ Read More ]