import java.awt.*;

import javax.swing.*;
import javax.swing.table.*;
import javax.swing.table.AbstractTableModel;

public class MyTableModel3 extends AbstractTableModel {

  public MyTableModel3(String[] array) {
    this.array=array;
  }

  public int getColumnCount() {
    return 3;
  }

  public int getRowCount() {
    return array.length;
  }
  
  public String getColumnName(int column) {
    return columnNames[column];
  }

  public Object getValueAt(int row, int column) {
    switch(column) {
      case 0:
        return array[row];
      case 1:
        return new Integer(array[row].length());
      case 2:
        return new Integer(array[row].indexOf('a'));
    }
    throw new IllegalArgumentException("invalid column ("+row+','+column+')');
  }
  
  private String[] array;
  private final static String[] columnNames={
    "Text","Length","Index of 'a'"
  };
  
  static final Color LIGHT_GREEN=new Color(200,200,0);
  
  public static void main(String[] args) {
    MyTableModel3 model=new MyTableModel3(args);
    
    
    final TableCellRenderer renderer=new DefaultTableCellRenderer() {
      public Component getTableCellRendererComponent(JTable table,
        Object value,boolean isSelected,boolean hasFocus,int row,int column) {
        
        JLabel label=(JLabel)super.getTableCellRendererComponent(table,
          value,isSelected,hasFocus,row,column);
          
        if (!isSelected)
          label.setBackground((row%2==0)?LIGHT_GREEN:Color.WHITE);
          
        return label;
      }

    };
    
    JTable table=new JTable(model) {
      public TableCellRenderer getCellRenderer(int row, int column) {
        return renderer;
      }
    };
    
    
    JScrollPane pane=new JScrollPane(table);
    
    final JFrame frame=new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(pane);
    frame.setSize(400,300);
    frame.show();
  }
}