Adding text to a JTextArea

I have a JTextArea (textArea) that I set in a class called BankGUI. The textArea is set with a empty string. I three other classes I need to add things to this textArea. In each class I add a little bit more. The thing that I can not figure out is how to add more to the textArea without deleting the old stuff.

...or if you want more control over your text arrangement, just saycurrentText = myTextArea.getText();
// Do the text manipulation of your choice
newText = someTransformation(currentText);
myTextArea.setText(newText);Doug

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