Strong

Java:WeakReference vs SoftReference vs PhantomReference vs Strong reference

杀马特。学长 韩版系。学妹 提交于 2019-12-14 19:12:26
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> WeakReference and SoftReference were added into Java API from long time but not every Java programmer is familiar with it. Which means there is a gap between where and how to use WeakReference and SoftReference in Java . Reference classes are particularly important in context of How Garbage collection works . As we all know that Garbage Collector reclaims memory from objects which are eligible for garbage collection, but not many programmer knows that this eligibility is decided based upon which kind of references are pointing to that object. This is also

ios confused about strong/weak references

匿名 (未验证) 提交于 2019-12-03 02:06:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I've looked through the questions on strong/weak references, and understand the reason for using weak (the parent to child relationship). However, I'm confused about specific scenarios where a parent to child relationship is created. For example, is adding subviews to a UIView object..an example of creating a parent/child relationship? What is? So far, I did everything in my project using strong, nowhere have I used weak, but I'm not sure if I'll run into memory management issues (or how to even check if I will). Can anyone provide