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vector is usually a type name. Something like simply "a" is much more innocuous and acceptable. |
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=== Miscellaneous ===
* Java and C++ use different means to divide code into multiple source files.
** Java uses a package system that dictates the file name and path for all program definitions. Its compiler imports the executable [[class (file format)|class files]]. ** Prior to C++20, C++ used a [[header file]] [[source code]] inclusion system to share declarations between source files. Since C++20, however, modules were introduced offering similar functionality to Java packages, however C++ modules do not have the same hierarchical structure of Java packages and do not have the same granularity, allowing for importing individual functions or classes - rather, all symbols marked <code>export</code> are accessible after importing a module.
** Since C++23, the C++ standard library can now be imported as a module, but must be imported in its entirety rather than importing specific packages of the library like in Java.
* Compiled Java code files are generally smaller than code files in C++ as [[Java bytecode]] is usually more compact than native [[machine code]] and Java programs are never statically linked.
* C++ compiling features an added textual [[preprocessor|preprocessing]] phase, while Java does not. Thus some users add a preprocessing phase to their build process for better support of conditional compiling.
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