from javax.swing import JFrame, JTable, JScrollPane
from javax.swing.table import DefaultTableModel
from datetime import date

class TableViewer(JFrame):
    def __init__(self):
        data = [[1, date(2015, 12, 31)], [2, date(2016, 1, 1)]]
        columnNames = ['Number', 'Date']
        table = JTable()
        table.setModel(DefaultTableModel(data, columnNames))
        self.add(JScrollPane(table))
        
        self.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE)
        self.pack()
        self.visible = True

viewer = TableViewer()