{"id":684,"date":"2013-01-12T01:15:56","date_gmt":"2013-01-12T01:15:56","guid":{"rendered":"http:\/\/codeatelier.wordpress.com\/?p=447"},"modified":"2013-01-12T01:15:56","modified_gmt":"2013-01-12T01:15:56","slug":"parent-child-class-object-relation","status":"publish","type":"post","link":"https:\/\/codethataint.com\/blog\/parent-child-class-object-relation\/","title":{"rendered":"parent child class object relation"},"content":{"rendered":"<pre>\npublic class ClassA \n{\t\n\tpublic void MethodA()\n\t{\n\t\tSystem.out.println(\"This is Method A\");\n\t}\n}\n\npublic class ClassB extends ClassA\n{\t\n\tpublic void MethodB()\n\t{\n\t\tSystem.out.println(\"I am Method in Class B\");\n\t}\n}\n\n\npublic class ClassC \n{\n\tpublic static void main(String[] args) \n\t{\n\t\tClassA objClassA1 = new ClassA();\n\t\tClassB objClassB2 = new ClassB();\n\t\t\n\t\t\/\/Child Class of Parent Type can be Created  \n\t\tClassA objClassB1 = new ClassB();\n\t\t\n\t\t\/\/Assigning a Parent class Type to Child Class is Not Allowed  \n\t\t\/\/Casting Should be Carried out\n\t\tClassB objClassA2 = (ClassB) new ClassA();\n\t\t\n\t\tobjClassA1.MethodA();\n\t\tobjClassB2.MethodA();\n\t\tobjClassB2.MethodB();\n\t\t\n\t\tobjClassB1.MethodA();\n\t}\n}\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>public class ClassA { public void MethodA() { System.out.println(&#8220;This is Method A&#8221;); } } public class ClassB extends ClassA { public void MethodB() { System.out.println(&#8220;I am Method in Class B&#8221;); } } public class ClassC { public static void main(String[] args) { ClassA objClassA1 = new ClassA(); ClassB objClassB2 = new ClassB(); \/\/Child Class of&hellip; <a href=\"https:\/\/codethataint.com\/blog\/parent-child-class-object-relation\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[99],"tags":[],"class_list":["post-684","post","type-post","status-publish","format-standard","hentry","category-classes-and-objects"],"_links":{"self":[{"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/posts\/684","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/comments?post=684"}],"version-history":[{"count":0,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/posts\/684\/revisions"}],"wp:attachment":[{"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/media?parent=684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/categories?post=684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/tags?post=684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}