Question

fortran中两个矩阵相乘，矩阵的元素数值都很小，结果显示为0？如何改进？

Answer 1

final String url = "jdbc:oracle:thin:@localhost:1521:ORCL";
final String user = "store";
final String password = "store_password";
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection con = DriverManager.getConnection(url, user, password);
return con;
}