{"id":26968,"date":"2021-05-06T23:10:05","date_gmt":"2021-05-07T03:10:05","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/recent-posts\/negativelengthexception-java-illustrates-defining-and-throwing-your-own-exceptions-programming-code-examples-java-j2ee-j2me-basic-java\/"},"modified":"2021-05-06T23:10:05","modified_gmt":"2021-05-07T03:10:05","slug":"negativelengthexception-java-illustrates-defining-and-throwing-your-own-exceptions-programming-code-examples-java-j2ee-j2me-basic-java","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=26968","title":{"rendered":"NegativeLengthException.java  Illustrates defining and throwing your own exceptions. #Programming Code Examples #Java\/J2EE\/J2ME #Basic Java"},"content":{"rendered":"<pre>\n\nimport java.io.*;\n\n\/** Taken from Core Web Programming from\n *  Prentice Hall and Sun Microsystems Press,\n *  .\n *  &copy; 2001 Marty Hall and Larry Brown;\n *  may be freely used or adapted.\n *\/\n\npublic class NegativeLengthException extends Exception {\n\n  \/** Test NegativeLengthException *\/\n\n  public static void main(String[] args) {\n    try {\n      int lineLength = readLength();\n      for(int i=0; i&lt;linelength ; i++) {\n        System.out.print(&quot;*&quot;);\n      }\n      System.out.println();\n    } catch (NegativeLengthException nle) {\n      System.out.println(&quot;NegativeLengthException: &quot; +\n                         nle.getMessage());\n    }\n  }\n\n  public NegativeLengthException() {\n    super(&quot;Negative dimensions not permitted.&quot;);\n  }\n\n  public NegativeLengthException(String message) {\n    super(message);\n  }\n\n  \/\/ readLength catches IOExceptions locally but lets the\n  \/\/ calling method handle NegativeLengthExceptions.\n  private static int readLength() throws NegativeLengthException {\n    BufferedReader in = new BufferedReader(\n                          new InputStreamReader(System.in));\n    System.out.print(&quot;Enter length: &quot;);\n    System.out.flush();\n    int len = 0;\n    try {\n      String line = in.readLine();\n      len = Integer.parseInt(line);\n      if (len &lt; 0) {\n        throw new NegativeLengthException();\n      }\n    } catch (IOException ioe) {\n      System.out.println(&quot;Problem reading from keyboard&quot;);\n    }\n    return(len);\n  }\n}\n\n<\/pre>\n<p>Note: Brought from our old site: http:\/\/www.salearningschool.com\/example_codes\/ on Jan 2nd, 2017 From: http:\/\/sitestree.com\/?p=10223<br \/> Categories:Programming Code Examples, Java\/J2EE\/J2ME, Basic Java<br \/>Tags:Java\/J2EE\/J2MEBasic Java<br \/> Post Data:2017-01-02 16:04:23<\/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>import java.io.*; \/** Taken from Core Web Programming from * Prentice Hall and Sun Microsystems Press, * . * &copy; 2001 Marty Hall and Larry Brown; * may be freely used or adapted. *\/ public class NegativeLengthException extends Exception { \/** Test NegativeLengthException *\/ public static void main(String[] args) { try { int lineLength = &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=26968\">Continue reading<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1917],"tags":[],"class_list":["post-26968","post","type-post","status-publish","format-standard","hentry","category-fromsitestree-com","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":26864,"url":"http:\/\/bangla.sitestree.com\/?p=26864","url_meta":{"origin":26968,"position":0},"title":"Example Java Programs #Programming Code Examples #Java\/J2EE\/J2ME #J2SE","author":"Author-Check- Article-or-Video","date":"May 3, 2021","format":false,"excerpt":"Very Simple Java Example Programs HelloWorld.java public class HelloWorld { \/\/ method main(): ALWAYS the APPLICATION entry point public static void main (String[] args) { System.out.println (\"Hello World!\"); } } \/\/ Print Today's Date import java.util.*; public class HelloDate { public static void main (String[] args) { System.out.println (\"Hello, it's:\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":26589,"url":"http:\/\/bangla.sitestree.com\/?p=26589","url_meta":{"origin":26968,"position":1},"title":"AddressVerifier.java  Connects to an SMTP server and issues a expn request to display details about a mailbox on the server. Uses the following classes: #Programming Code Examples #Java\/J2EE\/J2ME #Network Programming","author":"Author-Check- Article-or-Video","date":"April 29, 2021","format":false,"excerpt":"AddressVerifier.java Connects to an SMTP server and issues a expn request to display details about a mailbox on the server. Uses the following classes: import java.net.*; import java.io.*; \/** Given an e-mail address of the form user@host, * connect to port 25 of the host and issue an * 'expn'\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":10189,"url":"http:\/\/bangla.sitestree.com\/?p=10189","url_meta":{"origin":26968,"position":2},"title":"AddressVerifier.java Connects to an SMTP server and issues a expn request to display details about a mailbox on the server. Uses the following classes","author":"","date":"August 24, 2015","format":false,"excerpt":"import java.net.*; import java.io.*; \/** Given an e-mail address of the form user@host, \u00a0*\u00a0 connect to port 25 of the host and issue an \u00a0*\u00a0 'expn' request for the user. Print the results. \u00a0* \u00a0*\u00a0 Taken from Core Web Programming from \u00a0*\u00a0 Prentice Hall and Sun Microsystems Press, \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 . 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":10192,"url":"http:\/\/bangla.sitestree.com\/?p=10192","url_meta":{"origin":26968,"position":3},"title":"UrlRetriever.java Accepts an URL from the command line, parses the host, port, and URI components from the URL and then retrieves the document. Requires the following classes","author":"","date":"August 24, 2015","format":false,"excerpt":"UrlRetriever.java\u00a0 Accepts an URL from the command line, parses the host, port, and URI components from the URL and then retrieves the document. Requires the following classes: import java.util.*; \/** This parses the input to get a host, port, and file, then \u00a0*\u00a0 passes these three values to the UriRetriever\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":26591,"url":"http:\/\/bangla.sitestree.com\/?p=26591","url_meta":{"origin":26968,"position":4},"title":"UrlRetriever.java  Accepts an URL from the command line, parses the host, port, and URI components from the URL and then retrieves the document. Requires the following classes: #Programming Code Examples #Java\/J2EE\/J2ME #Network Programming","author":"Author-Check- Article-or-Video","date":"April 29, 2021","format":false,"excerpt":"UrlRetriever.java Accepts an URL from the command line, parses the host, port, and URI components from the URL and then retrieves the document. Requires the following classes: import java.util.*; \/** This parses the input to get a host, port, and file, then * passes these three values to the UriRetriever\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":10104,"url":"http:\/\/bangla.sitestree.com\/?p=10104","url_meta":{"origin":26968,"position":5},"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 . 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":[]}],"_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/26968","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=26968"}],"version-history":[{"count":0,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/26968\/revisions"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=26968"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=26968"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=26968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}