Compiler vs Interpreter in Java

Posted September 9, 2022 by Rohith and Anusha ‐ 2 min read

Compiler is a translator which takes input i.e., High-Level Language, and produces an output of low-level language i.e. machine or assembly language An interpreter is a program that translates a programming language into a comprehensible language.

Difference between compiler and interpreter are stated below

The compiler scans the whole program in one go.Translates the program one statement at a time.
As it scans the code in one go, the errors (if any) are shown at the end together.Considering it scans code one line at a time, errors are shown line by line.
The main advantage of compilers is its execution time.Due to interpreters being slow in executing the object code, it is preferred less.
It converts the source code into object code.It does not convert source code into object code instead it scans it line by line
It does not require source code for later execution.It requires source code for later execution.
Execution of the program takes place only after the whole program is compiled.Execution of the program happens after every line is checked or evaluated.
The machine code is stored in the disk storage.Machine code is nowhere stored.
Compilers more often take a large amount of time for analyzing the source code.In comparison, Interpreters take less time for analyzing the source code.
It is more efficient.It is less efficient.
CPU utilization is more.CPU utilization is less.
Eg. C, C++, C#, etc are programming languages that are compiler-based.Python, Ruby, Perl, SNOBOL, MATLAB, etc are programming languages that are interpreter-based.
quick-references blog compiler interpreter differences

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