In object-oriented programming, there are rich libraries of collection types. In Java for example, there are.

在面向对象的编程中，有大量的集合类型库。

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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 Java platform

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。

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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 Java platform

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。

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