What my lecturer think I have learned:
- Programming Patterns
- C, C++, Java
- Socket programming, web programming
- Operating system...

What I have actually learned:
1. printf("Hello World");
2. echo "Hello World";
3. console.log("Hello World");
4. Console.Writeline("Hello World");
5. cout << "Hello World" >> endl;
6. System.out.println("Hello World");
7. puts "Hello World";
8. "Hello World"
9. write("Hello World");
10. Display "Hello World"