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Java Swing - 如何滾動JTable

我們想知道如何滾動JTable。 
import java.awt.BorderLayout;
import java.awt.Point;
import java.util.Vector;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;

public class SetViewportPosition {
  public static void main(String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Vector<String> rowOne = new Vector<String>();
    rowOne.addElement("Row1-Column1");
    rowOne.addElement("Row1-Column2");
    rowOne.addElement("Row1-Column3");
    
    Vector<String> rowTwo = new Vector<String>();
    rowTwo.addElement("Row2-Column1");
    rowTwo.addElement("Row2-Column2");
    rowTwo.addElement("Row2-Column3");
    
    Vector<Vector> rowData = new Vector<Vector>();
    rowData.addElement(rowOne);
    rowData.addElement(rowTwo);
    
    Vector<String> columnNames = new Vector<String>();
    columnNames.addElement("Column One");
    columnNames.addElement("Column Two");
    columnNames.addElement("Column Three");
    JTable table = new JTable(rowData, columnNames);

    JScrollPane scrollPane = new JScrollPane(table);
    scrollPane.getViewport().setViewPosition(new Point(0,0));
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);

  }
}