Java tutorial
import javax.swing.JTextArea; import javax.swing.text.JTextComponent; public class Main { public static void main(String[] argv) throws Exception { JTextComponent tc = new JTextArea("Initial Text"); int docLength = tc.getDocument().getLength(); String text = tc.getText(); // Get the last 3 characters int offset = docLength - 3; int len = 3; text = tc.getText(offset, len); } }