{"id":22134,"date":"2021-03-10T01:01:11","date_gmt":"2021-03-10T06:01:11","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/recent-posts\/pretty-simple-java-code-scjp\/"},"modified":"2022-05-10T20:04:11","modified_gmt":"2022-05-11T00:04:11","slug":"pretty-simple-java-code-scjp","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=22134","title":{"rendered":"Pretty Simple Java Code #SCJP"},"content":{"rendered":"<pre>\r\n\r\n\/**\r\n * The HelloWorldApp class implements an application that\r\n * simply prints \"Hello World!\" to standard output.\r\n *\/\r\n\r\nclass HelloWorldApp {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tSystem.out.println(\"Hello Worlld\");\r\n\t}\r\n\r\n}\r\n\r\nclass ArrayDemo {\r\n    public static void main(String[] args) {\r\n        \/\/ declares an array of integers\r\n        int[] anArray;\r\n        int[] theArray;\r\n\r\n        \/\/ allocates memory for 10 integers\r\n        anArray = new int[10];\r\n        theArray = new int[30];\r\n           \r\n        \/\/ initialize first element\r\n        anArray[0] = 100;\r\n        \/\/ initialize second element\r\n        anArray[1] = 200;\r\n        \/\/ and so forth\r\n        anArray[2] = 300;\r\n        anArray[3] = 400;\r\n        anArray[4] = 500;\r\n        anArray[5] = 600;\r\n        anArray[6] = 700;\r\n        anArray[7] = 800;\r\n        anArray[8] = 900;\r\n        anArray[9] = 1000;\r\n\r\n        System.out.println(\"Element at index 0: \"\r\n                           + anArray[0]);\r\n        System.out.println(\"Element at index 1: \"\r\n                           + anArray[1]);\r\n        System.out.println(\"Element at index 2: \"\r\n                           + anArray[2]);\r\n        System.out.println(\"Element at index 3: \"\r\n                           + anArray[3]);\r\n        System.out.println(\"Element at index 4: \"\r\n                           + anArray[4]);\r\n        System.out.println(\"Element at index 5: \"\r\n                           + anArray[5]);\r\n        System.out.println(\"Element at index 6: \"\r\n                           + anArray[6]);\r\n        System.out.println(\"Element at index 7: \"\r\n                           + anArray[7]);\r\n        System.out.println(\"Element at index 8: \"\r\n                           + anArray[8]);\r\n        System.out.println(\"Element at index 9: \"\r\n                           + anArray[9]);\r\n        \r\n        \r\n        byte[] anArrayOfBytes;\r\n        short[] anArrayOfShorts;\r\n        long[] anArrayOfLongs;\r\n        float[] anArrayOfFloats;\r\n        double[] anArrayOfDoubles;\r\n        boolean[] anArrayOfBooleans;\r\n        char[] anArrayOfChars;\r\n       \r\n        \t\t\r\n        \t\t\r\n    }\r\n} \r\n\r\n\r\n\/*class ArrayCopyDemo {\r\n    public static void main(String[] args) {\r\n        char[] copyFrom = { 'd', 'e', 'c', 'a', 'f', 'f', 'e',\r\n\t\t\t    'i', 'n', 'a', 't', 'e', 'd' };\r\n        char[] copyTo = new char[7];\r\n\r\n        System.arraycopy(copyFrom, 2, copyTo, 0, 7);\r\n        System.out.println(new String(copyTo));\r\n    }\r\n}\r\n*\/\r\n\r\nclass ArrayCopyDemo {\r\n\t\r\n\tpublic static void main(String[] args) {\r\n\t\tchar[] copyFrom = {'a','b','c','d','e','f'};\r\n\t\tchar[] copyTo = new char[10];\r\n\t\t\r\n\t\tSystem.arraycopy(copyFrom, 0, copyTo, 1,3);\r\n\t\tSystem.out.println(new String(copyTo));\r\n\t}\r\n}\r\n\r\n\r\n\r\n\/*\r\nclass ArrayCopyOfDemo {\r\n    public static void main(String[] args) {        \r\n        char[] copyFrom = {'d', 'e', 'c', 'a', 'f', 'f', 'e',\r\n            'i', 'n', 'a', 't', 'e', 'd'};\r\n            \r\n        char[] copyTo = java.util.Arrays.copyOfRange(copyFrom, 2, 9);\r\n        \r\n        System.out.println(new String(copyTo));\r\n    }\r\n}*\/\r\n\r\n\r\nclass ArrayCopyOfDemo {\r\n\tpublic static void main (String[] args) {\r\n\t\tchar[] copyFrom = {'d', 'e', 'c', 'a', 'f', 'f', 'e',\r\n\t            'i', 'n', 'a', 't', 'e', 'd'};\r\n\t\t\r\n\t\tchar[] copyTo = java.util.Arrays.copyOfRange(copyFrom, 2, 7); \r\n\t\tSystem.out.println(copyTo);\r\n\t\t\r\n\t}\r\n}\r\n\r\n\r\n\r\n\/*\r\nclass MultiDimArrayDemo {\r\n    public static void main(String[] args) {\r\n        String[][] names = {\r\n            {\"Mr. \", \"Mrs. \", \"Ms. \"},\r\n            {\"Smith\", \"Jones\"}\r\n        };\r\n        \/\/ Mr. Smith\r\n        System.out.println(names[0][0] + names[1][0]);\r\n        \/\/ Ms. Jones\r\n        System.out.println(names[0][2] + names[1][1]);\r\n    }\r\n}*\/\r\n\r\n\r\nclass MultiDimArrayDemo {\r\n\tpublic static void main (String[] args) {\r\n\t\tString[][] names = {\r\n\t\t\t\t{\"mr\", \"smith\", \"ms\"},\r\n\t\t\t\t{\"smith\", \"jones\"}\r\n\t\t};\r\n\t\t\r\n\t\tSystem.out.println(names[0][1]);\r\n\t}\r\n\t\r\n}\r\n<\/pre>\n<p> From: http:\/\/sitestree.com\/?p=10873<br \/> Categories:SCJP<br \/>Tags:<br \/> Post Data:2017-07-19 18:16:02<\/p>\n<p>\t\tShop Online: <a href='https:\/\/www.ShopForSoul.com\/' target='new' rel=\"noopener\">https:\/\/www.ShopForSoul.com\/<\/a><br \/>\n\t\t(Big Data, Cloud, Security, Machine Learning): Courses: <a href='http:\/\/Training.SitesTree.com' target='new' rel=\"noopener\"> http:\/\/Training.SitesTree.com<\/a><br \/>\n\t\tIn Bengali: <a href='http:\/\/Bangla.SaLearningSchool.com' target='new' rel=\"noopener\">http:\/\/Bangla.SaLearningSchool.com<\/a><br \/>\n\t\t<a href='http:\/\/SitesTree.com' target='new' rel=\"noopener\">http:\/\/SitesTree.com<\/a><br \/>\n\t\t8112223 Canada Inc.\/JustEtc: <a href='http:\/\/JustEtc.net' target='new' rel=\"noopener\">http:\/\/JustEtc.net (Software\/Web\/Mobile\/Big-Data\/Machine Learning) <\/a><br \/>\n\t\tShop Online: <a href='https:\/\/www.ShopForSoul.com'> https:\/\/www.ShopForSoul.com\/<\/a><br \/>\n\t\tMedium: <a href='https:\/\/medium.com\/@SayedAhmedCanada' target='new' rel=\"noopener\"> https:\/\/medium.com\/@SayedAhmedCanada <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\/** * The HelloWorldApp class implements an application that * simply prints &#8220;Hello World!&#8221; to standard output. *\/ class HelloWorldApp { public static void main(String[] args) { System.out.println(&#8220;Hello Worlld&#8221;); } } class ArrayDemo { public static void main(String[] args) { \/\/ declares an array of integers int[] anArray; int[] theArray; \/\/ allocates memory for 10 &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=22134\">Continue reading<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1917,1954],"tags":[],"class_list":["post-22134","post","type-post","status-publish","format-standard","hentry","category-fromsitestree-com","category-scjp-ocjp","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":10104,"url":"http:\/\/bangla.sitestree.com\/?p=10104","url_meta":{"origin":22134,"position":0},"title":"Example Java Programs","author":"","date":"August 3, 2015","format":false,"excerpt":"HelloWorld.java public class HelloWorld { \u00a0\u00a0\u00a0 \/\/ method main(): ALWAYS the APPLICATION entry point \u00a0\u00a0\u00a0 public static void main (String[] args) { \u00a0\u00a0 \u00a0System.out.println (\"Hello World!\"); \u00a0\u00a0\u00a0 } } \/\/ Print Today's Date import java.util.*; public class HelloDate { \u00a0\u00a0\u00a0 public static void main (String[] args) { \u00a0\u00a0 \u00a0System.out.println (\"Hello,\u2026","rel":"","context":"In &quot;Code . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8&quot;","block_context":{"text":"Code . 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