{"id":10448,"date":"2015-08-28T00:33:39","date_gmt":"2015-08-28T04:33:39","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=10448"},"modified":"2015-08-24T10:27:15","modified_gmt":"2015-08-24T14:27:15","slug":"simpleprimetag-java-custom-tag-that-outputs-a-random-prime-number-of-a-fixed-approximate-length","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=10448","title":{"rendered":"SimplePrimeTag.java Custom tag that outputs a random prime number of a fixed approximate length"},"content":{"rendered":"<pre>SimplePrimeTag.java Custom tag that outputs a random prime number of a fixed approximate length\r\n\r\n\r\npackage cwp.tags;\r\n\r\nimport javax.servlet.jsp.*;\r\nimport javax.servlet.jsp.tagext.*;\r\nimport java.io.*;\r\nimport java.math.*;\r\nimport cwp.*;\r\n\r\n\/** Generates a prime of approximately 50 digits.\r\n\u00a0*\u00a0 (50 is actually the length of the random number\r\n\u00a0*\u00a0 generated -- the first prime above that number will\r\n\u00a0*\u00a0 be returned.)\r\n\u00a0*\u00a0 &lt;P&gt;\r\n\u00a0*\u00a0 Taken from Core Web Programming Java 2 Edition\r\n\u00a0*\u00a0 from Prentice Hall and Sun Microsystems Press,\r\n\u00a0*\u00a0 .\r\n\u00a0*\u00a0 May be freely used or adapted.\r\n\u00a0*\/\r\n\r\npublic class SimplePrimeTag extends TagSupport {\r\n\u00a0 protected int len = 50;\r\n\r\n\u00a0 public int doStartTag() {\r\n\u00a0\u00a0\u00a0 try {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 JspWriter out = pageContext.getOut();\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 BigInteger prime = Primes.nextPrime(Primes.random(len));\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 out.print(prime);\r\n\u00a0\u00a0\u00a0 } catch(IOException ioe) {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println(\"Error generating prime: \" + ioe);\r\n\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0 return(SKIP_BODY);\r\n\u00a0 }\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>SimplePrimeTag.java Custom tag that outputs a random prime number of a fixed approximate length package cwp.tags; import javax.servlet.jsp.*; import javax.servlet.jsp.tagext.*; import java.io.*; import java.math.*; import cwp.*; \/** Generates a prime of approximately 50 digits. \u00a0*\u00a0 (50 is actually the length of the random number \u00a0*\u00a0 generated &#8212; the first prime above that number will \u00a0*\u00a0 &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=10448\">Continue reading<\/a><\/p>\n","protected":false},"author":130,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1417,1424],"tags":[706,308,285],"class_list":["post-10448","post","type-post","status-publish","format-standard","hentry","category-code-programming-samples--","category-javaj2eej2me","tag-code","tag-java","tag-285","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":27096,"url":"http:\/\/bangla.sitestree.com\/?p=27096","url_meta":{"origin":10448,"position":0},"title":"SimplePrimeTag.java Custom tag that outputs a random prime number of a fixed approximate length #Programming Code Examples #Java\/J2EE\/J2ME #Applets and Basic Graphics","author":"Author-Check- Article-or-Video","date":"May 10, 2021","format":false,"excerpt":"SimplePrimeTag.java Custom tag that outputs a random prime number of a fixed approximate length package cwp.tags; import javax.servlet.jsp.*; import javax.servlet.jsp.tagext.*; import java.io.*; import java.math.*; import cwp.*; \/** Generates a prime of approximately 50 digits. * (50 is actually the length of the random number * generated -- the first prime\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10453,"url":"http:\/\/bangla.sitestree.com\/?p=10453","url_meta":{"origin":10448,"position":1},"title":"PrimeTag.java Custom tag that outputs a random prime number of a user-specifiable approximate length","author":"","date":"August 28, 2015","format":false,"excerpt":"PrimeTag.java Custom tag that outputs a random prime number of a user-specifiable approximate length package cwp.tags; import javax.servlet.jsp.*; import javax.servlet.jsp.tagext.*; import java.io.*; \/** Generates an N-digit random prime (default N = 50). \u00a0*\u00a0 Extends SimplePrimeTag, adding a length attribute \u00a0*\u00a0 to set the size of the prime. The doStartTag \u00a0*\u00a0\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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The doStartTag *\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10455,"url":"http:\/\/bangla.sitestree.com\/?p=10455","url_meta":{"origin":10448,"position":3},"title":"PrimeExample.jsp Page that uses the PrimeTag custom tag","author":"","date":"August 28, 2015","format":false,"excerpt":"PrimeExample.jsp Page that uses the PrimeTag custom tag <!DOCTYPE HTML PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\"> <!-- Illustration of PrimeTag tag. Taken from Core Web Programming Java 2 Edition from Prentice Hall and Sun Microsystems Press, . May be freely used or adapted. --> <HTML> <HEAD> <TITLE>Some N-Digit Primes<\/TITLE> <LINK REL=STYLESHEET\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 . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8","link":"http:\/\/bangla.sitestree.com\/?cat=1417"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":27113,"url":"http:\/\/bangla.sitestree.com\/?p=27113","url_meta":{"origin":10448,"position":4},"title":"PrimeExample.jsp Page that uses the PrimeTag custom tag #Programming Code Examples #Java\/J2EE\/J2ME #Applets and Basic Graphics","author":"Author-Check- Article-or-Video","date":"May 11, 2021","format":false,"excerpt":"PrimeExample.jsp Page that uses the PrimeTag custom tag <!DOCTYPE HTML PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\"> <!-- Illustration of PrimeTag tag. Taken from Core Web Programming Java 2 Edition from Prentice Hall and Sun Microsystems Press, . May be freely used or adapted. --> <HTML> <HEAD> <TITLE>Some N-Digit Primes<\/TITLE> <LINK REL=STYLESHEET\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10471,"url":"http:\/\/bangla.sitestree.com\/?p=10471","url_meta":{"origin":10448,"position":5},"title":"RepeatTag.java Custom tag that repeats the tag body a specified number of times","author":"","date":"August 28, 2015","format":false,"excerpt":"RepeatTag.java Custom tag that repeats the tag body a specified number of times package cwp.tags; import javax.servlet.jsp.*; import javax.servlet.jsp.tagext.*; import java.io.*; \/** A tag that repeats the body the specified \u00a0*\u00a0 number of times. \u00a0*\u00a0 <P> \u00a0*\u00a0 Taken from Core Web Programming Java 2 Edition \u00a0*\u00a0 from Prentice Hall and\u2026","rel":"","context":"In &quot;Code . 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