String url1 = "jdbc:sqlserver://ServerName;databaseName=v14testvp;user=USERNAME;password='';";
    Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
    DriverManager.getConnection(url1);

String url1 = "jdbc:sqlserver://servername;databaseName=v14testvp;integratedSecurity=true;authenticationScheme=JavaKerberos";
        Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
        DriverManager.getConnection(url1);