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Differences between compiler and interpreter in programming languages
3 min readDec 6, 2024
The key difference between a compiler and an interpreter lies in how they process and execute a program’s source code. Here’s a breakdown of their differences:
1. Definition
- Compiler: A compiler translates the entire source code of a program into machine code or an intermediate code in one go, creating an executable file (e.g.,
.exe
,.class
) that can be run independently. - Interpreter: An interpreter translates the source code line by line and immediately executes it. It does not generate a separate executable file.
2. Execution Process
- Compiler:
- Scans the entire source code first, checks for errors, and then compiles it all at once.
- Once compiled, the program can be run multiple times without needing the source code or compiler again.
- Errors are reported after the entire code is compiled.
Interpreter:
- Translates and executes the program line by line.
- It needs to be run every time the program is executed, as it doesn’t produce a separate executable file.
- Errors are reported immediately, as they are encountered during the…