{"blog_title":"xuwei-k's blog","published":"2026-10-26 09:40:23","categories":[],"author_name":"xuwei","blog_url":"https://xuwei-k.hatenablog.com/","url":"https://xuwei-k.hatenablog.com/entry/2026/10/26/094023","type":"rich","author_url":"https://blog.hatena.ne.jp/xuwei/","version":"1.0","provider_url":"https://hatena.blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fxuwei-k.hatenablog.com%2Fentry%2F2026%2F10%2F26%2F094023\" title=\"apache commons-io\u306eByteArrayOutputStream\u306f\u6a19\u6e96\u306e\u3082\u306e\u3088\u308a\u901f\u3044\u306e\u304b\uff1f - xuwei-k&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","image_url":null,"provider_name":"Hatena Blog","title":"apache commons-io\u306eByteArrayOutputStream\u306f\u6a19\u6e96\u306e\u3082\u306e\u3088\u308a\u901f\u3044\u306e\u304b\uff1f","description":"javadoc\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u3044\u3066\u3042\u3063\u3066 https://github.com/apache/commons-io/blob/rel/commons-io-2.22.0/src/main/java/org/apache/commons/io/output/AbstractByteArrayOutputStream.java#L35-L62 This is an alternative implementation of the ByteArrayOutputStream class. The original implementation only allocates 32 bytes at \u2026"}