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int expungeStaleEntry(int staleSlot) {\n Entry[] tab = table;\n int len = tab.length;\n\n // 刪除實體的Value\n tab[staleSlot].value = null;\n //置空這個數組位\n tab[staleSlot] = null;\n //數量減一\n size--;\n\n // 重新計算一次哈希，如果當前數組位不爲null，線性查找直到一個null\n Entry e;\n int i;\n for (i = nextIndex(staleSlot, len);\n (e = tab[i]) != null;\n i = nextIndex(i, len)) {\n ThreadLocal> k = e.get();\n if (k == null) {\n e.value = null;\n tab[i] = null;\n size--;\n } else {\n int h = k.threadLocalHashCode & (len - 1);\n if (h != i) {\n tab[i] = null;\n\n // Unlike Knuth 6.4 Algorithm R, we must scan until\n // null because multiple entries could have been stale.\n while (tab[h] != null)\n h = nextIndex(h, len);\n tab[h] = e;\n }\n }\n }\n return i;\n }"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"看完三件事❤️"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"如果你覺得這篇內容對你還蠻有幫助，我想邀請你幫我三個小忙："}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":""}]},{"type":"numberedlist","attrs":{"start":null,"normalizeStart":1},"content":[{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":1,"align":null,"origin":null},"content":[{"type":"text","text":"點贊，轉發，有你們的 『點贊和評論』，纔是我創造的動力。"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":2,"align":null,"origin":null},"content":[{"type":"text","text":"關注公衆號 『 "},{"type":"text","marks":[{"type":"strong"}],"text":"java爛豬皮"},{"type":"text","text":" 』，不定期分享原創知識。"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":3,"align":null,"origin":null},"content":[{"type":"text","text":"同時可以期待後續文章ing🚀"}]}]}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/34/34172ad7f3cc8e0f28bd1fc6ca2d2b68.png","alt":null,"title":"","style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":"","fromPaste":false,"pastePass":false}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"原文出處：https://my.oschina.net/onlyzuo/blog/4704594"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}}]}