To make it useable, the disk first needs to be subdivided into logical volumes, then formate, so that it is readable by the systems.
I don't see any error on your code, everything is well written and simple. Except trying putting PUBLIC on your Class displayer. If you encounter the same problem again try to rebuild your whole code and try to recompile the whole code. Even try restarting your personal computer.
The value on X you choose first and create a graph then you add values to graphs Y axis.
Here's some code that might help, assuming that you are using JavaScript.
e = "Hello"
if(e === "Hello"){
alert(":D")
}else{
console.log("Um.")
}
I think that the answer is curly brackets.
