List 5 Most powerful programs that the programmer must learn them

Answer 1

C++ Go Java Rust Elixir (Go, Rust and Elixir are gonna be so damn popular soon)

Answer 2

C++, Java, Swift, HTML, JavaScript

Answer 3

?

Answer 4

programs, eh? here: text editor, compiler, linker, loader, a program that can generate really really large prime numbers. why I recommend each will become obvious when you get to the completion state.