{"id":10510,"date":"2015-08-29T09:37:50","date_gmt":"2015-08-29T13:37:50","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=10510"},"modified":"2015-08-24T10:33:05","modified_gmt":"2015-08-24T14:33:05","slug":"modificationtest-java-demonstrates-changing-fields-of-an-object-inherits-from-referencetest-java","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=10510","title":{"rendered":"ModificationTest.java Demonstrates changing fields of an object. Inherits from ReferenceTest.java."},"content":{"rendered":"<pre>\/** Taken from Core Web Programming from\r\n\u00a0*\u00a0 Prentice Hall and Sun Microsystems Press,\r\n\u00a0*\u00a0 .\r\n\u00a0*\u00a0 \u00a9 2001 Marty Hall and Larry Brown;\r\n\u00a0*\u00a0 may be freely used or adapted.\r\n\u00a0*\/\r\n\r\nimport java.awt.Point;\r\n\r\npublic class ModificationTest extends ReferenceTest {\r\n\u00a0 public static void main(String[] args) {\r\n\u00a0\u00a0\u00a0 Point p1 = new Point(1, 2); \/\/ Assign Point to p1\r\n\u00a0\u00a0\u00a0 Point p2 = p1; \/\/ p2 is new reference to *same* Point\r\n\u00a0\u00a0\u00a0 print(\"p1\", p1); \/\/ (1, 2)\r\n\u00a0\u00a0\u00a0 print(\"p2\", p2); \/\/ (1, 2)\r\n\u00a0\u00a0\u00a0 munge(p2); \/\/ Changes fields of the *single* Point\r\n\u00a0\u00a0\u00a0 print(\"p1\", p1); \/\/ (5, 10)\r\n\u00a0\u00a0\u00a0 print(\"p2\", p2); \/\/ (5, 10)\r\n\u00a0 }\r\n\r\n\u00a0 public static void munge(Point p) {\r\n\u00a0\u00a0\u00a0 p.x = 5;\r\n\u00a0\u00a0\u00a0 p.y = 10;\r\n\u00a0 }\r\n}\r\n\r\n\r\n\/** Taken from Core Web Programming from\r\n\u00a0*\u00a0 Prentice Hall and Sun Microsystems Press,\r\n\u00a0*\u00a0 .\r\n\u00a0*\u00a0 \u00a9 2001 Marty Hall and Larry Brown;\r\n\u00a0*\u00a0 may be freely used or adapted.\r\n\u00a0*\/\r\n\r\nimport java.awt.Point;\r\n\r\npublic class ReferenceTest {\r\n\u00a0 public static void main(String[] args) {\r\n\u00a0\u00a0\u00a0 Point p1 = new Point(1, 2); \/\/ Assign Point to p1\r\n\u00a0\u00a0\u00a0 Point p2 = p1; \/\/ p2 is new reference to *same* Point\r\n\u00a0\u00a0\u00a0 print(\"p1\", p1); \/\/ (1, 2)\r\n\u00a0\u00a0\u00a0 print(\"p2\", p2); \/\/ (1, 2)\r\n\u00a0\u00a0\u00a0 triple(p2); \/\/ Doesn?t change p2\r\n\u00a0\u00a0\u00a0 print(\"p2\", p2); \/\/ (1, 2)\r\n\u00a0\u00a0\u00a0 p2 = triple(p2); \/\/ Have p2 point to *new* Point\r\n\u00a0\u00a0\u00a0 print(\"p2\", p2); \/\/ (3, 6)\r\n\u00a0\u00a0\u00a0 print(\"p1\", p1); \/\/ p1 unchanged: (1, 2)\r\n\u00a0 }\r\n\r\n\u00a0 public static Point triple(Point p) {\r\n\u00a0\u00a0\u00a0 p = new Point(p.x * 3, p.y * 3); \/\/ Redirect p\r\n\u00a0\u00a0\u00a0 return(p);\r\n\u00a0 }\r\n\r\n\u00a0 public static void print(String name, Point p) {\r\n\u00a0\u00a0\u00a0 System.out.println(\"Point \" + name + \"= (\" +\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 p.x + \", \" + p.y + \").\");\r\n\u00a0 }\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\/** Taken from Core Web Programming from \u00a0*\u00a0 Prentice Hall and Sun Microsystems Press, \u00a0*\u00a0 . \u00a0*\u00a0 \u00a9 2001 Marty Hall and Larry Brown; \u00a0*\u00a0 may be freely used or adapted. \u00a0*\/ import java.awt.Point; public class ModificationTest extends ReferenceTest { \u00a0 public static void main(String[] args) { \u00a0\u00a0\u00a0 Point p1 = new Point(1, 2); \/\/ &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=10510\">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-10510","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":26966,"url":"http:\/\/bangla.sitestree.com\/?p=26966","url_meta":{"origin":10510,"position":0},"title":"ModificationTest.java Demonstrates changing fields of an object. Inherits from  ReferenceTest.java. #Programming Code Examples #Java\/J2EE\/J2ME #Basic Java","author":"Author-Check- Article-or-Video","date":"May 6, 2021","format":false,"excerpt":"\/** Taken from Core Web Programming from * Prentice Hall and Sun Microsystems Press, * . * \u00a9 2001 Marty Hall and Larry Brown; * may be freely used or adapted. *\/ import java.awt.Point; public class ModificationTest extends ReferenceTest { public static void main(String[] args) { Point p1 = new\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":10333,"url":"http:\/\/bangla.sitestree.com\/?p=10333","url_meta":{"origin":10510,"position":1},"title":"Eight buttons: four each in two panels","author":"","date":"August 26, 2015","format":false,"excerpt":"mport java.applet.Applet; import java.awt.*; *************************** \/** Eight buttons: four each in two panels. * *\/ public class ButtonTest2 extends Applet { public void init() { String[] labelPrefixes = { \"Start\", \"Stop\", \"Pause\", \"Resume\" }; Panel p1 = new Panel(); for (int i=0; i<4; i++) { p1.add(new Button(labelPrefixes[i] + \" Thread1\"));\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":27000,"url":"http:\/\/bangla.sitestree.com\/?p=27000","url_meta":{"origin":10510,"position":2},"title":"Eight buttons: four each in two panels #Programming Code Examples #Java\/J2EE\/J2ME #AWT Components","author":"Author-Check- Article-or-Video","date":"May 7, 2021","format":false,"excerpt":"import java.applet.Applet; import java.awt.*; *************************** \/** Eight buttons: four each in two panels. * *\/ public class ButtonTest2 extends Applet { public void init() { String[] labelPrefixes = { \"Start\", \"Stop\", \"Pause\", \"Resume\" }; Panel p1 = new Panel(); for (int i=0; i<4; i++) { p1.add(new Button(labelPrefixes[i] + \" Thread1\"));\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":10321,"url":"http:\/\/bangla.sitestree.com\/?p=10321","url_meta":{"origin":10510,"position":3},"title":"Placement of buttons in a BoxLayout using rigid areas, struts, and glue","author":"Sayed","date":"August 26, 2015","format":false,"excerpt":"############### InvisibleComponentTest.java Placement of buttons in a BoxLayout using rigid areas, struts, and glue ############### import java.awt.*; import javax.swing.*; import javax.swing.border.*; \/** Example of using rigid areas, struts, and glue to \u00a0*\u00a0 produce the effect of invisible components. \u00a0* \u00a0****************** public class InvisibleComponentTest extends JPanel { \u00a0 Component spacer; \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":26789,"url":"http:\/\/bangla.sitestree.com\/?p=26789","url_meta":{"origin":10510,"position":4},"title":"Placement of buttons in a BoxLayout using rigid areas, struts, and glue #Programming Code Examples #Java\/J2EE\/J2ME #Layout Managers","author":"Sayed","date":"May 1, 2021","format":false,"excerpt":"############### InvisibleComponentTest.java Placement of buttons in a BoxLayout using rigid areas, struts, and glue ############### import java.awt.*; import javax.swing.*; import javax.swing.border.*; \/** Example of using rigid areas, struts, and glue to * produce the effect of invisible components. * ****************** public class InvisibleComponentTest extends JPanel { Component spacer; public InvisibleComponentTest()\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":10091,"url":"http:\/\/bangla.sitestree.com\/?p=10091","url_meta":{"origin":10510,"position":5},"title":"Sort objects stored in deque","author":"","date":"July 29, 2015","format":false,"excerpt":"\/* The following code example is taken from the book \u00a0* \"The C++ Standard Library - A Tutorial and Reference\" \u00a0* by Nicolai M. Josuttis, Addison-Wesley, 1999 \u00a0* \u00a0* (C) Copyright Nicolai M. Josuttis 1999. \u00a0* Permission to copy, use, modify, sell and distribute this software \u00a0* is granted provided\u2026","rel":"","context":"In &quot;C++&quot;","block_context":{"text":"C++","link":"http:\/\/bangla.sitestree.com\/?cat=1420"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/10510","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\/130"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10510"}],"version-history":[{"count":1,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/10510\/revisions"}],"predecessor-version":[{"id":10511,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/10510\/revisions\/10511"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10510"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}