Now we're going to learn about the for loop
In line 5 we've declared a new variable,
int means that it can store whole numbers, for example 2 or 504.
In line 6 you can see a for loop begins.
A for loop is used to execute commands several times.
The for loop has 3 parameters that need to be separated by a semi-colon:
b) condition check:
In line 6 the loop is run for the first time:
Step 1: initialisation: the expression
ledNumber=1 initialises the variable ledNumber with the value 1.
Step 2: condition check: is
ledNumber smaller than 5?
Step 3: if the condition is true, the commands are executed. In this example, the command is:
...let's continue to the next info box...
Step 4: update the variable
ledNumber. The command
ledNumber++ increases ledNumber by 1.
Step 5: Repeat from step 2. A new run is started, whereby
ledNumber has the value 2 this time.
Steps 2 and 5 are repeated until the condition check returns false!