{"id":921,"date":"2018-09-17T18:25:40","date_gmt":"2018-09-17T09:25:40","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=921"},"modified":"2018-12-23T02:00:59","modified_gmt":"2018-12-22T17:00:59","slug":"string-lpad-rpad","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/id\/blog\/java\/string-lpad-rpad","title":{"rendered":"Memformat dengan Java LPAD, RPAD"},"content":{"rendered":"<h2 class=\"common_title\"><a name=\"0\">Diformat dengan Java LPAD, RPAD. Isi karakter tertentu di kiri dan kanan string<\/a><\/h2>\n<p>\n<strong>Jawa<\/strong>Kemudian, Anda bisa menggunakan fungsi SQL untuk string.<strong>LPAD<\/strong>,,<strong>RPAD<\/strong>Berikut adalah contoh sumber yang melakukan proses yang sama.<br \/>\nini adalah<strong>format panjang tetap<\/strong>Sangat berguna saat berhadapan.\n<\/p>\n<ul>\n<li><strong>LPAD<\/strong>...Mengembalikan string yang diisi dengan karakter berulang di sisi kiri string sehingga jumlah total karakter adalah jumlah digit yang ditentukan.<\/li>\n<li><strong>RPAD<\/strong>...Mengisi dan mengembalikan string berulang di sisi kanan string sehingga jumlah total karakter adalah jumlah digit yang ditentukan.<\/li>\n<\/ul>\n<p><script type=\"text\/javascript\" src=\"https:\/\/chat-messenger.com\/js\/common.js?dd12sssas2223\" charset=\"UTF-8\"><\/script><br \/>\n<script type=\"text\/javascript\"> writePR(); <\/script><\/p>\n<h2 class=\"common_title\"><a name=\"1\">contoh program<\/a><\/h2>\n<p><textarea readonly=\"readonly\" style=\"font-size: 13px;height: 400px;\" class=\"src\" onclick=\"this.focus();this.select()\">\/**<br \/>\n * LPAD\u3092\u884c\u3044\u307e\u3059\u3002<br \/>\n * \u6587\u5b57\u5217[str]\u306e\u5de6\u306b\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217[addStr]\u3092[len]\u306b<br \/>\n * \u6e80\u305f\u3059\u307e\u3067\u633f\u5165\u3057\u307e\u3059\u3002<br \/>\n * @param str \u5bfe\u8c61\u6587\u5b57\u5217<br \/>\n * @param len \u88dc\u5145\u3059\u308b\u307e\u3067\u306e\u6841\u6570\uff08LPAD\u3092\u884c\u3063\u305f\u5f8c\u306e\u30b5\u30a4\u30ba\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\uff09<br \/>\n * @param addStr \u633f\u5165\u3059\u308b\u6587\u5b57\u5217<br \/>\n * @return \u5909\u63db\u5f8c\u306e\u6587\u5b57\u5217\u3002<br \/>\n *\/<br \/>\npublic static String lpad(String str, int len, String addStr) {<br \/>\n    return fillString(str, &#8220;L&#8221;, len, addStr);<br \/>\n}<\/p>\n<p>\/**<br \/>\n *Lakukan RPAD.<br \/>\n * Tambahkan string yang ditentukan [addStr] di sebelah kanan string [str] ke [len]<br \/>\n * Masukkan hingga penuh.<br \/>\n * @param str string target<br \/>\n * @param len Jumlah digit yang akan diisi ulang (menentukan ukuran setelah melakukan RPAD)<br \/>\n * @param addStr String untuk disisipkan<br \/>\n * @return String setelah konversi.<br \/>\n *\/<br \/>\nString statis publik rpad(String str, int len, String addStr) {<br \/>\n    kembalikan fillString(str, \u201cR\u201d, len, addStr);<br \/>\n}<\/p>\n<p>\/**<br \/>\n * Tambahkan string [addStr] yang akan ditambahkan ke string [str]<br \/>\n * Masukkan pada [posisi] hingga [len] terisi.<br \/>\n *<br \/>\n * *Bahkan jika [str] adalah null atau literal kosong, gunakan [addStr]<br \/>\n * Mengembalikan hasil yang disisipkan hingga [len] terisi.<br \/>\n * @param str string target<br \/>\n * @param position Sisipkan sebelum \u21d2 L atau l Sisipkan setelah \u21d2 R atau r<br \/>\n * @param len Jumlah digit yang akan diisi ulang<br \/>\n * @param addStr String untuk disisipkan<br \/>\n * @return String setelah konversi.<br \/>\n *\/<br \/>\nString statis publik fillString(String str, posisi String,<br \/>\n        ke dalam len,<br \/>\n        String tambahkanStr) {<br \/>\n    if (addStr == null || addStr.length() == 0) {<br \/>\n        membuang IllegalArgumentException baru<br \/>\n            (\u201cNilai string yang akan dimasukkan tidak valid. addStr=\u201d+addStr);<br \/>\n    }<br \/>\n    jika (str == nol) {<br \/>\n        str = \u201c\u201d;<br \/>\n    }<br \/>\n    StringBuffer buffer = StringBuffer baru(str);<br \/>\n    while (len &gt; buffer.panjang()) {<br \/>\n        if (posisi.equalsIgnoreCase(\u201cl\u201d)) {<br \/>\n            int jumlah = buffer.panjang() + addStr.panjang();<br \/>\n            jika (jumlah &gt; len) {<br \/>\n                addStr = addStr.substring<br \/>\n                    (0,addStr.length() \u2013 (jumlah \u2013 len));<br \/>\n                buffer.masukkan(0, addStr);<br \/>\n            }kalau tidak{<br \/>\n                buffer.masukkan(0, addStr);<br \/>\n            }<br \/>\n        } kalau tidak {<br \/>\n            buffer.tambahkan(addStr);<br \/>\n        }<br \/>\n    }<br \/>\n    if (buffer.length() == len) {<br \/>\n        kembalikan buffer.toString();<br \/>\n    }<br \/>\n    return buffer.toString().substring(0, len);<br \/>\n}<br \/>\n<\/textarea><br \/>\n<\/p>\n<h2 class=\"common_title\"><a name=\"2\">Hasil eksekusi<\/a><\/h2>\n<p>\u25c6Contoh eksekusi<\/p>\n<pre class=\"sample_src\">public static void main(String[] args) {\/\/ Untuk lpad. Isi spasi di sebelah kiri hingga mencapai 5 digit. String ret = lpad(&quot;abc&quot;, 5 , &quot; &quot;); System.out.println(&quot;&#039;&quot; + ret + &quot;&#039;&quot;); \/\/ Untuk rpad. Isi spasi di sebelah kanan hingga mencapai 5 digit. ret = rpad(&quot;abc&quot;, 5 , &quot; &quot;); System.out.println(&quot;&#039;&quot; + ret + &quot;&#039;&quot;); \/\/ Jika null ret = rpad(null, 5 , &quot; &quot;); System.out .println(&quot;&#039;&quot; + ret + &quot;&#039;&quot;); }\r\n<\/pre>\n<p>\u25c6 Hasil keluaran<\/p>\n<pre class=\"console\">&#039;abc&#039; &#039;abc&#039; &#039; &#039;\r\n<\/pre>","protected":false},"excerpt":{"rendered":"<p>Diformat dengan Java LPAD, RPAD. Isi karakter tertentu di sisi kiri dan kanan string Di Java, gunakan fungsi SQL L [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":""},"categories":[19],"tags":[],"_links":{"self":[{"href":"https:\/\/chat-messenger.com\/id\/wp-json\/wp\/v2\/posts\/921"}],"collection":[{"href":"https:\/\/chat-messenger.com\/id\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chat-messenger.com\/id\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/id\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/id\/wp-json\/wp\/v2\/comments?post=921"}],"version-history":[{"count":4,"href":"https:\/\/chat-messenger.com\/id\/wp-json\/wp\/v2\/posts\/921\/revisions"}],"predecessor-version":[{"id":1892,"href":"https:\/\/chat-messenger.com\/id\/wp-json\/wp\/v2\/posts\/921\/revisions\/1892"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/id\/wp-json\/wp\/v2\/media?parent=921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/id\/wp-json\/wp\/v2\/categories?post=921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/id\/wp-json\/wp\/v2\/tags?post=921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}