Long before IDEs programmers use to write Java codes with simple text editors like Notepad(Windows) and then compile and run them using the Command Prompt. But hey there are

One of the first programs that one usually writes when learning any programming language is "Hello World!". Most of the programming language have same methodology and are almost similar to each other. 
If you learn PHP you can easily understand C and vice versa and same with others, because they are related to each other. Below is the programming code for "Hello World!" in 10 different programming languages.