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In computer science, type conversion, [1] [2] type casting, [1] [3] type coercion, [3] and type juggling [4] [5] are different ways of changing an expression from one data type to another. An example would be the conversion of an integer value into a floating point value or its textual representation as a string , and vice versa.
JVM, .NET, Mono, Cocoa, Cocoa Touch, Android, iOS, WebAssembly, cross compile to Linux: Yes Yes Yes Proprietary; free compiler Yes PocketStudio winsoft: 3.0 No No No Palm OS: Yes Yes Yes Proprietary: Dev-Pascal: Bloodshed Software: 1.9.2 (using FPC 1.9.2 from 2005) Yes No No No Yes No GPL: PascalABC.NET: PascalABC.NET Compiler Team 3.9 / July ...
However, C is not a subset of C++, [3] and nontrivial C programs will not compile as C++ code without modification. Likewise, C++ introduces many features that are not available in C and in practice almost all code written in C++ is not conforming C code. This article, however, focuses on differences that cause conforming C code to be ill ...
In C++, run-time type checking is implemented through dynamic_cast. Compile-time downcasting is implemented by static_cast , but this operation performs no type check. If it is used improperly, it could produce undefined behavior.
In C and C++, constructs such as pointer type conversion and union — C++ adds reference type conversion and reinterpret_cast to this list — are provided in order to permit many kinds of type punning, although some kinds are not actually supported by the standard language.
Eclipse compiler for Java (ECJ) Jikes, compiles from Java to Java bytecode (developed by IBM, implemented in C++) Espresso, compiles from Java to Java bytecode (Java 1.0 only) GNU Compiler for Java (GCJ), compiles from Java to Java bytecode; it can also compile to native machine code and was part of the GNU Compiler Collection (GCC) up until ...
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 preprocessing phase, while Java does not. Thus some users add a preprocessing phase to their build process for better ...
C/C++ Development Tools (CDT) adds support for C/C++ syntax highlighting, code formatting, debugger integration and project structures. Unlike the JDT project, the CDT project does not add a compiler and relies on an external tool chain. [8] Graphical Editing Framework (GEF) allows developers to build standalone graphical tools.