public class ArgumentsWorkMain { public static void main(String... args) { ArgumentsWorkMain me = new ArgumentsWorkMain(); // test1 は可変引数 // test1(String str, String... args) me.test1(""); me.test1("a", "a"); me.test1("a b", "a", "b"); me.test1("", new String[] {}); me.test1("a", new String[] { "a" }); me.test1("a b", new String[] { "a", "b" }); me.test1("((null))", null); // ↑ この null は (String[]
![[Java] String... vs String[] どちらが良いかな? 可変引数と配列 - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/be49efede746d1b00fcd18cd603b5ed9edc28ba0/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-9f5428127621718a910c8b63951390ad.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTkxNiZoPTMzNiZ0eHQ9JTVCSmF2YSU1RCUyMFN0cmluZy4uLiUyMHZzJTIwU3RyaW5nJTVCJTVEJTIwJUUzJTgxJUE5JUUzJTgxJUExJUUzJTgyJTg5JUUzJTgxJThDJUU4JTg5JUFGJUUzJTgxJTg0JUUzJTgxJThCJUUzJTgxJUFBJTNGJTIwJUU1JThGJUFGJUU1JUE0JTg5JUU1JUJDJTk1JUU2JTk1JUIwJUUzJTgxJUE4JUU5JTg1JThEJUU1JTg4JTk3JnR4dC1jb2xvcj0lMjMyMTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9NTYmdHh0LWNsaXA9ZWxsaXBzaXMmdHh0LWFsaWduPWxlZnQlMkN0b3Amcz05ZGYzZmNkNDZhODMxZjAwZGExMjcwNjQ0OGE2YTU5OA%26mark-x%3D142%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTYxNiZ0eHQ9JTQwTGlnaHRTcGVlZEMmdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT0zNiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZzPTYzYzc5NWFkZTZlZDJmZTFhY2Q1MGM0Zjk0OTA4YzFm%26blend-x%3D142%26blend-y%3D491%26blend-mode%3Dnormal%26s%3Da65af434f823495069c7c5c3fa39fc38)