Question

如何将JTable中的数据一下子清空

Answer 1

DefaultTableModel tableModel = new DefaultTableModel();// (DefaultTableModel)scoreTable.createDefaultDataModel();
String[] columns = {"一", "二", "三", "四"};
Object[][] data = {
{"", "", "", ""},

};
tableModel.setDataVector(data, columns);
scoreTable.setModel(tableModel);