Source Code

Businessman using laptop in restaurant
Hero Images/Getty Images


Programmers write software programs using a programming language (e.g., Java). The programming language provides a series of instructions they can use to create the program they want. All the instructions a programmer uses to build the program are known as source code.

For a computer to be able to execute the program, these instructions need to be translated using a compiler.


Here is the source code for a simple Java program:

 class HelloWorld {
   public static void main(String[] args) {
      //Write Hello World to the terminal window
      System.out.println("Hello World!");
mla apa chicago
Your Citation
Leahy, Paul. "Source Code." ThoughtCo, Jun. 2, 2017, Leahy, Paul. (2017, June 2). Source Code. Retrieved from Leahy, Paul. "Source Code." ThoughtCo. (accessed April 22, 2018).