For loop in C # - how it works

You need a for loop regularly in C # programs. We explain how it works.

Create for loop in C #

A for loop in C # is always built on the same principle: it begins with the term "for" and the conditions in parentheses: "for ()"

• In the parentheses you first enter the data type of the run variable (such as "int", "short" or "float") with the start value (underlined in red in the figure). A semicolon closes the start value definition. You can find an overview of data types in C # in this practical tip.
• Now define the termination condition (underlined in orange in the picture). It is often the case that the run variable reaches a certain value. The termination condition can also refer to other variables. You also separate this part from the rest with a semicolon.
• Finally you define what should happen after each loop pass (underlined in green in the picture). This is often an increase or decrease in the run variable. "++" is synonymous with "+ = 1". You can also change other local variables after each run.
• If the code of the for loop extends over several lines, you have to put curly braces around the outside.
• A danger point with for loops is the endless loop: Always make sure that the abort condition will occur at some point.
• It is particularly easy to create for loops in editors such as "Visual Studio Express" or "Notepadd ++", because these editors highlight commands in color and display a message if undefined variables are accidentally used.
• For a better understanding of for loops, explanations of the for loop in other programming languages ​​will help you, such as the practical tip on the for loop in Java or our video on the loop in Objective C:

You can get help with programming and for your first C # program as well as links for online programming in other CHIP practical tips.