cobol真的会在以后比java更有发展么

COBOL语言，是ibm大机开发主要语言，上世纪70年代日本广泛应用于金融证券等开发，cobol自上世纪60年代出世以来，没有多少改变，相当原始，几乎是对话般的编程（这也是其安全性很高的原因之一），所以前景谈不上，一般是以后做外包或者出国。在国内能用上COBOL的企业，也是极具经济实力的企业。市场上和全国高校也极少有系统的相关培训，就业面窄，但一旦就业质量相当高，一般都是在银行系统或者高端软件企业应用或者做外包或服务,在中国属于高端紧缺型人才。JAVA的就业面比大型机多很多，平台较普及，而且PC机就可以运行，但JAVA的技术更新很快，14年的时间，从JAVA到JAVA2到Java

SE

50，需要不停地学习，而且由于需求企业多且小，就业竞争较为激烈。前景方面，JAVA比起其他传统语言来有优势（没有贬低C,VB等的意思），发展空间还是很大的，较好就业，但要高薪还是要混资历和经验。

第二个问题：JAVA公司99年发布三个版本（标准版（J2SE）、企业版（J2EE）和微型版（J2ME）时，中国还没有相应的培训，很多计算机人员都是自学，01年国内IT培训头牌北大青鸟开始提出批量标准化培训IT人才的口号，一骑绝尘，两年后，各大诸侯纷纷并起，清华IT，新华电脑，思远，威讯等培训机构纷纷成立自己的JAVA培训大规模招生，起点高中年龄18岁就可以，当时的口号大都是高校计算机教育落后，企业需要与时俱进的人才。从05，06年起，全国各大高校也都纷纷设立选修课学习JAVA，有很多高校甚至被定为必修课，来回应社会上的职业培训机构。所以学JAVA的人现在是很多，大概是多少我查了很多资料也没有具体的人数，但仅北大青鸟全国有200多家中心（含加盟），一年能培养保守估计6万人你信不信（一个中心一年招300人很保守了），其他机构呢？全国各高校和纷纷而起的二级学院呢？。。楼主保重。。。

后面那段是转载的

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COBOL

英文缩写: COBOL (Common business Oriented Language)

中文译名: COBOL语言

解 释: 一种适合于商业及数据处理的类似英语的程序设计语言。这种语言可使商业数据处理过程精确表达。

COBOL（面向商业的通用语言，又称为企业管理语言、数据处理语言等，Common Business Oriented Langauge）是最早的高级编程语言之一，是世界上第一个商用语言。

翻译：English abbreviation: COBOL (Common business Oriented Language)

English translation: COBOL Language

Explanation: a suitable commercial and data processing procedures similar to the English language This language allows precise expression of commercial data processing

COBOL (Common Business Oriented Language, also known as enterprise management language, data processing and language, Common Business Oriented Langauge) is the first high-level programming language is one of the world's first commercial language

COBOL的历史

1959年5月，五角大楼委托格雷斯·霍波（GHopper）博士领导一个委员会并由Rear Admiral Grace Hopper公司主持开发，并于1961年由美国数据系统语言协会公布。正式发布于1960年4月，称为Cobol－60。

1968年美国国家标准委员会ANSI又通过了新的标准ANSI COBOL X323-1968。

1972年国际标准化组织ISO将其作为ISO COBOL-72。1974年ANSI对COBOL-68作出了修订扩充，形成了ANSI COBOL X323-1974，随后1978年ISO采用其形成ISO COBOL-78，后来又提出了ANSI X323-85，增加了很多结构化程序设计的内容，ISO标准ISO1989:1985也采用了该标准。COBOL标准还在不断地改进和完善，最新的标准COBOL 2002主体已经于2002年12月出版，其他部分还在不断地完善之中。现在最新的版本是Cobol－2002。

1963年，美国国家标准研究所(ANSI)进行了标准化，但是ANSI标准很少被遵循；因此，COBOL程序只是部分可移植的。

翻译：The history of COBOL

In May 1959, the Pentagon commissioned格雷斯霍波(G Hopper) by a committee led by Dr Rear Admiral Grace Hopper led the development of the company, and in 1961 by the American Association of Data Systems Languages Officially released in April 1960, known as the Cobol-60

1968, American National Standards Institute ANSI has adopted a new standard ANSI COBOL X323-1968

1972 International Organization for Standardization ISO as ISO COBOL-72 1974 Nian ANSI pairs of COBOL-68 was amended in expanded form ANSI COBOL X323-1974, following its formation in 1978, ISO using ISO COBOL-78, and later proposed ANSI X323-85, increased the number of structured programming content, ISO standard ISO1989: 1985 also adopted the standard COBOL standards are continuing to improve and perfect the latest standard COBOL 2002 subjects have been published in December 2002, other parts are still being constantly improved Now, its latest version of Cobol-2002

In 1963, the American National Standards Institute (ANSI) has standardized, but the ANSI standard are rarely followed; so, COBOL programs only partially portable

COBOL的重要性

经过40多年的不断修改、丰富完善和标准化，COBOL已发展为多种版本的庞大语言，在财会工作、统计报表、计划编制、情报检索、人事管理等数据管理及商业数据处理领域，都有着广泛的应用。

COBOL的重要性可以用这句话来描述：世界上70％的数据都是用COBOL语言处理的，并且90％的ATM事务处理用的都是COBOL语言。每天在线处理的COBOL事务有300亿次。500强中有492家（包括全部的100强）使用了COBOL语言，目前在COBOL方面的投资已经超过3万亿美元，，据称用COBOL书写的程序超过了1000亿行，并且以每年大约50亿行代码的速度在增长。

由于COBOL在商业领域的雄厚基础，而且COBOL主要是应用于银行、金融和会计行业等非常重要的商业数据处理领域。所以，即使对于具有相当经验的IT公司来说，重新编写COBOL语言的可靠的应用软件也是不实际或是从商业角度上并不可行的，而且还要花上很长的时间，只要大型机存在，COBOL就不会消失，即使是对电脑界产生巨大影响的“千年虫”（Y2K）也没有改变COBOL的命运。

翻译：The importance of COBOL After 40 years of constant change, rich sound and standardization, COBOL has evolved into multiple versions of a large language, accounting, statistical reporting, planning, information retrieval, personnel management, data management and business data processing , all have a wide range of applications The importance of COBOL can use these words to describe: The World's 70% of the data is to use COBOL language processing, and 90% of ATM transactions are used in COBOL language COBOL matters dealt with every day online 300 million times 500 There are 492 (including all of the 100) uses the COBOL language COBOL investments currently has more than three trillion US dollars, allegedly written in COBOL programs with more than one hundred billion rows, and about 50 per year 100 million lines of code at the rate of growth Since COBOL strong foundation in the commercial sphere, and COBOL is mainly used in banking, finance and accounting industries are very important business data processing Therefore, even for considerable experience in IT companies, rewriting COBOL language, the application of reliable software is not practical or not feasible from a business point of view, but also spend a very long time, as long as there is mainframe , COBOL will not disappear, even for the computer industry a tremendous impact on the "millennium bug" (Y2K) did not change the fate of COBOL

COBOL的特点

COBOL是一种面向数据处理的、面向文件的、面向过程(POL)的高级编程语言，是一种功能很强而又极为冗长的语言。

COBOL适合于具有循环处理周期的环境(例如打印工资支票)以及数据 *** 纵量相当大的环境。COBOL主要应用于商业数据处理领域，对各种类型的数据进行收集、存储、传送、分类、排序、计算及打印报表、输出图象是它的强项。

COBOL语法与英文很接近，即使不懂电脑的人也能看懂程序。

强大的文件处理功能，大量的数据通常以文件的形式存储在磁盘上。

仅提供了加、减、乘、除及乘方这五种简单的算术运算，因而不适于进行科学计算。

未来的COBOL将支持XML等Web时代的新技术。

翻译：The characteristics of COBOL

COBOL is a data-oriented processing, file-oriented, process-oriented (POL) high-level programming language, is a feature very strong but extremely lengthy language

COBOL for the processing cycle with the cycle of the environment (for example, print pay checks) as well as a large amount of data manipulation environment COBOL is mainly used in commercial data processing, for various types of data collection, storage, transmission, classification, sorting, calculation and printing reports, the output image is its strength

COBOL grammar and English is very close, even if people do not understand the computer program can read

Powerful document processing capabilities, large amounts of data are usually in the form of files stored on disk

Provided only add, subtract, multiply, divide, and involution of these five simple arithmetic operations, and thus not suitable for scientific computing

COBOL will support the future of XML and other Web era of new technologies

COBOL的程序结构

COBOL程序由4部(DIVISION)组成：IDENTIFICATION DIVISION(标识部)、ENVIRONMENT DIVISION(环境部)、DATA DIVISION(数据部)、PROCEDURE DIVISION(过程部)，而每个部又由若干节 (SECTION)组成。

IDENTIFICATION DIVISION

“PROGRAM-ID”（程序识别ID）、“AUTHOR”（作者名）、“DATE-WRITTEN”（编写日期），这些并直接不影响程序的执行，而是程序的注释 信息。程序注释可以采用任何语言书写，COBOL编译器可以接受。

ENVIRONMENT DIVISION

用于记载程序可以被运行的计算机环境。“ENVIRONMENT DIVISION”部包括“CONFIGURATION SECTION”环境节和“INPUT-OUTPUT SECTION”输入输出节。

DATA DIVISION

用于定义和声明程序所要使用的变量及其他数据。程序要使用的全部变量和数据必须在这里定义。“DATA DIVISION”部主要包含“FILE SECTION”和“WORKING-STORAGE SECTION”节。

如果程序要通过参数接收数据，那么使用“LINKAGE SECTION”来声明。

COBOL的数据种类

COBOL程序的数据，主要有以下3种：

变量（Variables）

常量(Literals)

表意常量（FigurativeConstants）变量和常量自不必说，说说表意常量。使用有特定意思的多个词组合成一个常量的代名词。好处是便于编码人员识别。比如：HIGH-VALUES、LOW-VALUES等可以表达一定意思的名称作为常量代名词。

COBOL变量类型

COBOL的基本变量类型，有以下三种：

数值型（Numeric）

英文字符型（AlphaNumeric）

英文字符串型（Alphabetic）

PROCEDURE DIVISION

用于容纳程序的实际处理代码。需要传入参数时，采用“PROCEDURE DIVISION USING 引数名[，参数名]”的方式。

因为前3个DIVISION都是注释，却又必须，只到第4个DIVISION“PROCEDURE DIVISION”才真正涉及程序代码，这样的繁琐规定使得COBOL被批评为开场白像老太太裹脚布。但是，基于这样的4个DIVISION的明确记述等的严格形式，COBOL也被公认是可读性强的语言。另外，COBOL的保留字数量庞大，字数过长的保留字太多是COBOL的特征之一。

目前Cobol 就业市场包含以下两种类型：

第一，在旧的 Cobol 代码和新程序之间充当桥梁，这种工作要求人们懂 Cobol，懂那些老 Cobol 程序员所依赖的商业逻辑，同时动新的编程语言，如 Java。

第二是维护旧的 Cobol 代码，并编写新的 Cobol 代码。

翻译：COBOL program structure of COBOL programs from the four (DIVISION) composed of: IDENTIFICATION DIVISION (ID Department), ENVIRONMENT DIVISION (Ministry of the Environment), DATA DIVISION (Data Division), PROCEDURE DIVISION (The process of Department), and each department also by a number of sections (SECTION) component IDENTIFICATION DIVISION "PROGRAM-ID" (identification process ID), "AUTHOR" (author name), "DATE-WRITTEN" (write the date), which do not directly affect the program execution, but the program notes the information Program notes written in any language can be used, COBOL compiler is acceptable ENVIRONMENT DIVISION Recorded program can be used to run computer environment "ENVIRONMENT DIVISION" Department, including "CONFIGURATION SECTION" Environment Day and "INPUT-OUTPUT SECTION" input-output section DATA DIVISION Definitions and declarations for procedures to be used for variables and other data Program to use all the variables and data must be defined here "DATA DIVISION" Department consists mainly of "FILE SECTION" And "WORKING-STORAGE SECTION" Festival If the program is to pass parameters to receive data, then use the "LINKAGE SECTION" to the statement COBOL data types of COBOL program data, mainly in the following three kinds: variables (Variables) Constants (Literals) ideographic constant (FigurativeConstants) variables and constant self-Needless to say, talk about the ideographic constant Use of a specific meaning of a constant synthesis of a number of phrases synonymous The advantage of facilitating coders identified For example: HIGH-VALUES, LOW-VALUES, etc can express a certain meaning of the name as synonymous with a constant COBOL variable type of the basic variable types of COBOL, the following three ways: numeric (Numeric) English character (AlphaNumeric) English string (Alphabetic) PROCEDURE DIVISION is used to accommodate the actual processing procedure code Need to pass parameters using "PROCEDURE DIVISION USING argument name [, parameter names ]" way Because the former are three DIVISION notes, but must be only to the first 4 DIVISION "PROCEDURE DIVISION" really involved in the program code, such as red tape makes COBOL has been criticized for his opening remarks, like the old lady bindings However, based on these four DIVISION such a clear account of the strict form, COBOL has also been recognized as readable language In addition, COBOL reserved words large number of long words is a COBOL reserved word too much one of the characteristics Cobol job market at present contains the following two types: first, in the old Cobol code and to act as a bridge between the new procedures, this kind of work requires people to understand Cobol, understand those old Cobol programmers rely on business logic, while moving the new programming languages such as Java The second is to maintain the old Cobol code, and the preparation of new Cobol code

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