Compiler and interpreter are two different types of software used for programming languages. Here are the main differences between them:
Feature | Compiler | Interpreter |
---|---|---|
Definition | A software program that converts high-level programming language code into machine language (executable code) before it is run. | A software program that executes code line-by-line, translating and executing each line as it is encountered. |
Compilation | Compiles the entire program at once into an executable file. | Does not compile the entire program at once. Translates and executes one line or block of code at a time. |
Execution | The compiled code runs directly on the computer's processor without the need for the original source code. | The code is executed line-by-line and does not produce an executable file. |
Performance | Compiling code results in faster execution since the code is already translated into machine language before it is run. | Interpreting code can result in slower execution since each line or block of code needs to be translated and executed as it is encountered. |
Debugging | Debugging can be more difficult since the code is compiled before it is run, making it harder to trace errors back to their source. | Debugging can be easier since the code is executed line-by-line, making it easier to identify errors and trace them back to their source. |
Examples | C++ compiler, Java compiler, Visual Basic compiler. | Python interpreter, Ruby interpreter, Perl interpreter. |
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