I know that Eclipse have a function that allow us to see the steps of execution of a program.
Can anyone tell me how can I find it? I really need it to study and underst
Executing your java program step by step you need to follow a few steps:
public static void main(String[] args).
The breakpoint looks like this -> 
view. (in the standard layout this could be found in the top right corner of your eclipse ide)
(in the standard layout this could be found in the toolbar at the top of your eclipse ide)
For deeper insight look at the tutorial Here