Just two methods need to have their visibility changed to public: void main and void connect (Connection con).

只有两个方法的可见性需要改为public：voidmain和voidconnect (Connection con)。

youdao

In line 13 of Listing 1, the connection object (con) is established as the "default" connection.

在清单1的第13行上，Connection对象(con)被建立为“默认”连接。

youdao

In line 13 of Listing 1, the connection object (con) is established as the "default" connection.

在清单1的第13行上，Connection对象(con)被建立为“默认”连接。

youdao