JDBC: Connect to a database and read records (SQL Server)

Database.java

// Dependencies: sqljdbc4 JAR
// This method will connect to a SQL Server M.S. database and return a double array
public static String[][] get(String query) {
	int numRows;
	int numCols = 4;
	String dataTable[][] = null;

	// Define connection string
	String connectionString;
		/*
		String server = "";
		String databaseName = "";
		String username = "";
		String password = "";
		*/
	connectionString = server + ";databasename=" + databaseName + ";username=" + username + ";password=" + password;
	
	// Write SQL statement to query the databse (override)
	// query = "select * from table";

	// Perform DB operations
	try {
		Connection oConnection = DriverManager.getConnection(connectionString);
		Statement oStatement = oConnection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
		ResultSet oResult = oStatement.executeQuery(query);

		// Set the size of the array
		oResult.last();
		numRows = oResult.getRow();
		dataTable = new String[numRows][numCols];

		// Read the DB file while there is a next element
		oResult.beforeFirst();
		int row = 0;
		while (oResult.next()) {
			dataTable[row][0] = oResult.getString(1);
			dataTable[row][1] = oResult.getString(2);
			dataTable[row][2] = oResult.getString(3);
			dataTable[row][3] = oResult.getString(4);
			row++;
		}

	} catch (SQLException e) {
		System.out.println("ERROR Handling SQL");
		e.printStackTrace();
	}

	return dataTable;
}