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For example, a condition can be expressed as x IS GREATER THAN y or more concisely as x GREATER y or x > y. More complex conditions can be abbreviated by removing repeated conditions and variables. For example, a > b AND a > c OR a = d can be shortened to a > b AND c OR = d. To support this syntax, COBOL has over 300 keywords.
Block comments in Perl are considered part of the documentation, and are given the name Plain Old Documentation (POD). Technically, Perl does not have a convention for including block comments in source code, but POD is routinely used as a workaround. PHP. PHP supports standard C/C++ style comments, but supports Perl style as well. Python
As such, syntax that generally indicates a comment can actually represent program code; not comment code. Such syntax may be a practical way to maintain compatibility while adding additional functionality, but some regard such a solution as a kludge. [20] Other examples include interpreter directives:
First introduced in the late 1950s, Fortran, ALGOL, and COBOL are examples of early 3GLs. Most popular general-purpose languages today, such as C , C++ , C# , Java , BASIC and Pascal , are also third-generation languages, although each of these languages can be further subdivided into other categories based on other contemporary traits.
No Failsafe I/O: AutoHotkey (global ErrorLevel must be explicitly checked), C, [47] COBOL, Eiffel (it actually depends on the library and it is not defined by the language), GLBasic (will generally cause program to crash), RPG, Lua (some functions do not warn or throw exceptions), and Perl.
In Turbo Pascal, directives are called significant comments, because in the language grammar they follow the same syntax as comments. In Turbo Pascal, a significant comment is a comment whose first character is a dollar sign and whose second character is a letter; for example, the equivalent of C's #include "file" directive is the significant ...
GnuCOBOL translates a COBOL program (source code) into a C program. The C program can then be compiled into the actual code used by the computer (object code) or into a library where other programs can call (link to) it. On UNIX and similar operating systems (such as Linux), the GNU C compiler is used for this process.
A snippet of C code which prints "Hello, World!". The syntax of the C programming language is the set of rules governing writing of software in C. It is designed to allow for programs that are extremely terse, have a close relationship with the resulting object code, and yet provide relatively high-level data abstraction.