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Java Swing - 如何將大文本插入JTextPane

我們想知道如何將大文本插入JTextPane。
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
public class Main {
public static void main(String argv[]) {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
String testStr = "Paste text here.";
JTextArea wrapArea = new JTextArea(testStr, 20, 40);
wrapArea.setLineWrap(true);
wrapArea.setWrapStyleWord(true);
wrapArea.setCaretPosition(testStr.length());
frame.add(new JScrollPane(wrapArea));
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
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