When an object has to manipulate a collection of objects, it effectively USES procedural code to complete the operation.

当一个对象必须操作一个对象集合时，它有效地使用过程化代码来完成该操作。

youdao

The race conditions illustrated in Listing 1 often make it necessary to hold the single collection lock for much longer than it takes to execute a single operation.

清单1中演示的争用条件常常使得对单个集合的锁在单个操作执行完毕之后还必须继续保持一段较长的时间。

youdao

At the same time, garbage collection is a JVM-wide operation that can have a significant performance impact.

同时，垃圾收集是一项J VM操作，对性能会产生很大的影响。

youdao

Now, as even the New York Times grudgingly noted, this was a legal intelligence collection operation.

CENTERFORSECURITYPOLICY: Policing Terror