What are strong vs weak references?

What are strong vs weak references?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: medium

标签: interviewbit, java, topic-specific

参考答案摘要

Strong references keep objects in memory as long as they exist. Weak references allow GC to remove the object when memory is needed. Weak references are often used in caches.

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