// Copyright MageLang Institute; Version $Id: //depot/main/src/edu/modules/Swing/magercises/JTable/Solution/ADataModel.java#2 $
import javax.swing.*;
import javax.swing.table.*;

class ADataModel extends AbstractTableModel {

  // Imagine the data coming from JDBC
  // With column names from ResultSetMetaData

  String columns[] = {"Name", "Favorite Color"};
  String rows[][] = {
    {"Alexander", "red"},
    {"Jerry", "blue"},
    {"Jim", "black"},
    {"John", "green"},
    {"Mel", "orange"},
    {"Michael", "lightGray"},
    {"Peter", "magenta"},
    {"Randy", "green"},
    {"Rob", "cyan"},
    {"Scott", "yellow"},
    {"Susan", "darkGray"}
  };

  // Save array lengths for performance reasons
  private int numColumns = columns.length;
  private int numRows = rows.length;

  public int getColumnCount() {
    return numColumns;
  }

  public int getRowCount() {
    return numRows;
  }

  public Object getValueAt (int row, int column) {
    return rows[row][column];
  }

  public String getColumnName (int columnIndex) {
    return columns[columnIndex];
  }
}