|Name||Code (Block)||Code (Text)|
|String Concatenation with Variables||
The model could be read like so:
myString gets the value
"rock". The variable
myOtherString gets the value
"roll". The variable
myStory evaluates the expression
myString + " and " + myOtherString to
"rock and roll".
"rock and roll" is now stored in
Strings are any characters, symbols or numbers that are contained within quotation marks.
"My best friend"
Concatenation is used to combine a string with another string or number. Those strings or numbers can even be stored in variables!
To concatenate use the
+ between values.
"Up" + " and " + "down"
To use the Variable with String Concatenation Pattern a variable is defined which stores the value of a string combined with another string or number.
myName gets the value
"Randy". The variable
myAge gets the value
16. The variable
statement evaluates the expression
myName + " is " + myAge + " years old." to
"Randy is 16 years old.".
"Randy is 16 years old." is stored in the variable
statement which is then printed to the console.
score gets the value
0. The variable
lives gets the value
3. The variable
stats evaluates the expression
"Score: " + score + " Lives: " + lives to
"Score: 0 Lives: 3".
"Score: 0 Lives: 3" is stored in the variable
stats which is then printed to the console.
The variables are updated each time the buttons are clicked using the Counter Pattern with Event. The
stats variable gets the values of the
lives variables and concatenates them with
"Score: " and
"Lives: " before updating the display on the screen.
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