[Java] Please help: How can I append text in JTextArea from another class

 

I need help urgently.
i am a student and i am working on a project i need to submit very soon.
i have two classes A and B i need to append text in a text area in a from B. Below i have some part of my code.
I have tried something like this but it is not showing anything in the textArea. please somebody come to my rescue
Class A

Class A extends javax.swing.JFrame{
private JtextArea myTextArea;
A( ){
myTextArea = new JtextArea;
}
public void setArea(String mess){
myTextArea.Append(mess);
}
}

Class B
Class B{
A newA;
B( ){
newA = new A;
}
//i have this line which is supposed to append text in //myTextArea in class A
newA.setArea("message");
}

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