What are the seven internal compontents of a computer

You need to write some code that responds to a text change in a jtextfield. how can you do that? create a class that implements the interface actionlistener and override the method textfieldchanged create a class that extends the superclass actionlistener and override the method actionperformed create a class that implements the interface actionlistener and override the method actionperformed create a class that extends the superclass actionlistener and override the method textfieldchanged

Someone wishes to run the software on another computer system that runs an operating system that does not support the software what can he do

An endless cycle of creation and response on the internet is called