{"id":119127,"date":"2024-03-23T17:14:02","date_gmt":"2024-03-23T08:14:02","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e6%96%87%e5%ad%97%e5%88%97%e3%81%ae%e4%bb%bb%e6%84%8f%e3%81%ae%e5%a0%b4%e6%89%80%e3%81%ab%e6%96%87%e5%ad%97%e5%88%97%e3%82%92%e6%8c%bf%e5%85%a5%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-05T13:38:35","modified_gmt":"2024-04-05T04:38:35","slug":"java-%e6%96%87%e5%ad%97%e5%88%97%e3%81%ae%e4%bb%bb%e6%84%8f%e3%81%ae%e5%a0%b4%e6%89%80%e3%81%ab%e6%96%87%e5%ad%97%e5%88%97%e3%82%92%e6%8c%bf%e5%85%a5%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e6%96%87%e5%ad%97%e5%88%97%e3%81%ae%e4%bb%bb%e6%84%8f%e3%81%ae%e5%a0%b4%e6%89%80%e3%81%ab%e6%96%87%e5%ad%97%e5%88%97%e3%82%92%e6%8c%bf%e5%85%a5%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"Java \u6587\u5b57\u5217\u306e\u4efb\u610f\u306e\u5834\u6240\u306b\u6587\u5b57\u5217\u3092\u633f\u5165\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>Java \u3067\u306f\u3001\u6587\u5b57\u5217\u306e `concat()` \u30e1\u30bd\u30c3\u30c9\u3001\u52a0\u7b97\u6f14\u7b97\u5b50\u3001`StringBuilder` \u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u6587\u5b57\u5217\u306e\u9014\u4e2d\u306b\u6587\u5b57\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>concat()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u305f\u65b9\u6cd5<\/p>\n<p>String str1 = &#8220;\u3053\u3093\u306b\u3061\u306f&#8221;;<\/p>\n<p>String str2 = &#8220;\u30ef\u30fc\u30eb\u30c9&#8221;;<\/p>\n<p>String result = str1 + \u201c-\u201d + str2;<\/p>\n<p>\u65b9\u6cd52: \u52a0\u7b97\u6f14\u7b97\u5b50<\/p>\n<p>String str1 = &#8220;\u3053\u3093\u306b\u3061\u306f&#8221;;<\/p>\n<p>String str2 = &#8220;\u30ef\u30fc\u30eb\u30c9&#8221;;<\/p>\n<p>String result = str1.concat(&#8220;-&#8220;).concat(str2);<\/p>\n<p>3\u756a\u76ee\u306e\u65b9\u6cd5: StringBuilder\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b<\/p>\n<p>String str1 = &#8220;\u3053\u3093\u306b\u3061\u306f&#8221; ;<\/p>\n<p>String str2 = &#8220;\u4e16\u754c&#8221;<\/p>\n<p>StringBuilder sb = new StringBuilder();<\/p>\n<p>sb.append(str1).append(&#8220;-&#8220;).append(str2);<\/p>\n<p>String result = sb.toString();<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u3067\u306f\u3001\u6587\u5b57\u5217\u306e `concat()` \u30e1\u30bd\u30c3\u30c9\u3001\u52a0\u7b97\u6f14\u7b97\u5b50\u3001`StringBuilder` \u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u6587\u5b57\u5217\u306e\u9014\u4e2d\u306b\u6587\u5b57\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002 concat()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u305f\u65b9\u6cd5 String str1 = [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-119127","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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