Another subclass of reference, soft references, fulfills a different but related purpose.

Reference的另一个子类——软引用——可满足一个不同却相关的目的。

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Similarly, soft references are also often used in GUI applications for caching bitmap graphics.

类似地，软引用也经常用于 GUI 应用程序中，用于缓存位图图形。

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As the following example shows, weak references and soft references are powerful tools for fixing memory leaks.

如以下示例所示，弱引用和软引用都是解决内存泄露的强大工具。

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