Println statements are quick and convenient but they do not offer the power of a full-featured logging system. Table 2 lists logging libraries for the Javaplatform
Println 语句速度快且使用方便，但是它们没有提供全功能的日志记录系统所具有的功能。
2
The Java Message service (JMS) API provides the platform for implementing asynchronous services.
JMS API为平台提供了实现异步服务的平台。
3
Db4o is also preparing for an upcoming release of the product for the.net platform. He described the similarities and differences between the Java and the.net versions.