Java by API/javax.accessibility/AccessibleTable

AccessibleTable: getAccessibleColumnCount()

import java.awt.Dimension;
import javax.accessibility.AccessibleContext;
import javax.accessibility.AccessibleTable;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
public class MainClass extends JFrame {
  MainClass() {
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel p = new JPanel();
    p.setPreferredSize(new Dimension(200, 200));
    JTable jt = new JTable(10, 3);
    p.add(new JScrollPane(jt));
    getContentPane().add(p);
    pack();
    setVisible(true);
  }
  public static void main(String[] args) {
    MainClass ad7 = new MainClass();
    try {
      Thread.sleep(5000);
    } catch (InterruptedException e) {
    }
    ad7.dumpTableInfo(ad7.getAccessibleContext());
  }
  void dumpTableInfo(AccessibleContext ac) {
    AccessibleTable at = ac.getAccessibleTable();
    if (at != null) {
      int nCol = at.getAccessibleColumnCount();
      System.out.println("Columns = " + nCol);
      int nRow = at.getAccessibleRowCount();
      System.out.println("Rows = " + nRow);
      return;
    }
    int nChildren = ac.getAccessibleChildrenCount();
    for (int i = 0; i < nChildren; i++)
      dumpTableInfo(ac.getAccessibleChild(i).getAccessibleContext());
  }
}

AccessibleTable: getAccessibleRowCount()

import java.awt.Dimension;
import javax.accessibility.AccessibleContext;
import javax.accessibility.AccessibleTable;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
public class MainClass extends JFrame {
  MainClass() {
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel p = new JPanel();
    p.setPreferredSize(new Dimension(200, 200));
    JTable jt = new JTable(10, 3);
    p.add(new JScrollPane(jt));
    getContentPane().add(p);
    pack();
    setVisible(true);
  }
  public static void main(String[] args) {
    MainClass ad7 = new MainClass();
    try {
      Thread.sleep(5000);
    } catch (InterruptedException e) {
    }
    ad7.dumpTableInfo(ad7.getAccessibleContext());
  }
  void dumpTableInfo(AccessibleContext ac) {
    AccessibleTable at = ac.getAccessibleTable();
    if (at != null) {
      int nCol = at.getAccessibleColumnCount();
      System.out.println("Columns = " + nCol);
      int nRow = at.getAccessibleRowCount();
      System.out.println("Rows = " + nRow);
      return;
    }
    int nChildren = ac.getAccessibleChildrenCount();
    for (int i = 0; i < nChildren; i++)
      dumpTableInfo(ac.getAccessibleChild(i).getAccessibleContext());
  }
}