Go-Grundlagen

1 Erste Schritte 5 Lektionen

1. Lektion 2 Challenges Hello World and Program Structure Write your first Go program and learn what package main, import and func main do.
2. Lektion 2 Challenges Variables and Constants Declare variables with var and :=, and fixed values with const.
3. Lektion 2 Challenges Data Types Work with int, float64, bool, rune and string, and convert between them.
4. Lektion 2 Challenges Operators and Arithmetic Use arithmetic, comparison and logical operators, and see how integer division works.
5. Lektion 2 Challenges Reading User Input Read a line from the keyboard and turn it into a number safely.

2 Entscheidungen 2 Lektionen

6. Lektion 2 Challenges Conditions: if and switch Choose what runs with if, else and switch.
7. Lektion 1 Challenge FizzBuzz Solve the classic FizzBuzz problem with a switch.

3 Schleifen 2 Lektionen

8. Lektion 2 Challenges Loops with for Repeat code with Go's only loop, for, in its four forms.
9. Lektion 2 Challenges Prime Numbers Check whether a number is prime and list the primes up to 30.

4 Strings und Text 2 Lektionen

10. Lektion 2 Challenges Strings Join, search, split and slice text with Go strings and the strings package.
11. Lektion 1 Challenge Reverse a String Reverse the characters of a string and the words of a sentence.

5 Sammlungen 4 Lektionen

12. Lektion 2 Challenges Arrays Store a fixed number of values and see that arrays are copied on assignment.
13. Lektion 2 Challenges Slices Work with growing lists: append, slicing, make, len and cap.
14. Lektion 2 Challenges Maps Store and look up values by key with Go maps.
15. Lektion 2 Challenges Word Frequency Counter Count how often each word appears with a map.

6 Funktionen 2 Lektionen

16. Lektion 2 Challenges Functions and Multiple Return Values Define functions, return more than one value and accept any number of arguments.
17. Lektion 2 Challenges Fibonacci Sequence Generate Fibonacci numbers with a loop and a slice.

7 Objekte und Klassen 1 Lektion

18. Lektion 1 Challenge Structs Group related values into your own type with named fields.