{"author_url":"https://blog.hatena.ne.jp/ke_takahashi/","height":"190","url":"https://memorandums.hatenablog.com/entry/2014/03/17/114501","version":"1.0","categories":[],"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmemorandums.hatenablog.com%2Fentry%2F2014%2F03%2F17%2F114501\" title=\"JNI\u3068JNA - memorandums\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","title":"JNI\u3068JNA","description":"\u7814\u7a76\u3067Java\u304b\u3089C\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u547c\u3073\u51fa\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u306e\u3067\u3001JNI\u3068JNA\u306b\u3064\u3044\u3066\u52c9\u5f37\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u30e1\u30e2\u307e\u3067\u6b8b\u3057\u3066\u304a\u304d\u307e\u3059\u3002 \u25a0JNI C\u95a2\u6570\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3092\u8a18\u8ff0\u3057\u305fJava\u30af\u30e9\u30b9\uff08TestJNI.java\uff09\u3092\u4f5c\u6210\u3059\u308b\u3002 public class TestJNI { public native int add(int a, int b); } \u30d3\u30eb\u30c9\u3059\u308b\u3002 javac TestJNI.java javah\u3067\u30d8\u30c3\u30c0\u30fc\u30d5\u30a1\u30a4\u30eb\uff08TestJNI.h\uff09\u4f5c\u6210\u3059\u308b javah -classpath . -d . TestJNI TestJNI.h\u3088\u308a\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u5ba3\u8a00\u306b\u4eee\u5f15\u6570\u3092\u8ffd\u52a0\u3057\u3066C\u30d5\u30a1\u30a4\u30eb\uff08te\u2026","blog_title":"memorandums","author_name":"ke_takahashi","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","published":"2014-03-17 11:45:01","blog_url":"https://memorandums.hatenablog.com/","image_url":null}