JAVA JDBCデータベースの一点記録:ResultSet

Statement stmt = 

	conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);

String table = "Student";
String sql = "SELECT * FROM "+table;
	
ResultSet rs = stmt.executeQuery(sql);

public static void printData(ResultSet rs) throws SQLException
{
	rs.beforeFirst();
	
	System.out.println("NO  name  age  add");

	while(rs.next())
	{
		int NO = rs.getInt("NO");
		String name = rs.getString("name");
		int age = rs.getInt("age");
		String add = rs.getString("add");
		
		System.out.println(NO+" "+name+" "+age+" "+add);
	}
}

public static void updateData(ResultSet rs) throws SQLException
{
	rs.first();
	
	rs.updateString("name", "ken");
	rs.updateInt(3, 10);
	rs.updateRow();

	rs.moveToInsertRow();
	rs.updateInt(1, 8);
	rs.updateString(2, "Tim");
	rs.updateInt(3, 28);
	rs.updateString(4,"china");
	rs.insertRow();
	
	rs.moveToCurrentRow();
	
}

public static void delData(ResultSet rs,int rowid) throws SQLException
{
	rs.absolute(rowid);
	rs.deleteRow();
}