{"id":21790,"date":"2017-04-02T08:25:27","date_gmt":"2017-04-02T08:25:27","guid":{"rendered":"https:\/\/www.testingdocs.com\/questions\/?p=21790"},"modified":"2024-11-16T14:42:20","modified_gmt":"2024-11-16T14:42:20","slug":"what-is-a-java-class","status":"publish","type":"post","link":"https:\/\/www.testingdocs.com\/questions\/what-is-a-java-class\/","title":{"rendered":"What is a Java Class?"},"content":{"rendered":"<h1>Overview<\/h1>\n<p>Let&#8217;s learn about a Java Class to answer the question.<\/p>\n<h2>Java Class<\/h2>\n<p>A Java class is a blueprint or prototype that defines the variables and the methods that are common to all objects of a certain kind.<\/p>\n<h2>Java class template<\/h2>\n<p><em>[access level] class (Name of the class)<\/em><br \/>\n<em>{<\/em><\/p>\n<p><em>Class definition: members and methods<\/em><br \/>\n<em>&#8230;<\/em><br \/>\n<em>}<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>The class header consists of the access level, the keyword &#8220;class&#8221; and the name of the class.<\/p>\n<p>The class body consists of a pair of open and closed curly braces. In the class body, we can define the class members like variables and methods.<\/p>\n<h2>Class members<\/h2>\n<p>Class members are:<\/p>\n<ul>\n<li>Variables<\/li>\n<li>Methods<\/li>\n<\/ul>\n<h2>Variables<\/h2>\n<p>Variables can be instance variables and class variables.<br \/>\nInstance variables are also called fields, properties, etc. A field is the property of the class or object which we are going to create.<\/p>\n<h2>Method<\/h2>\n<p>Methods are also called functions. A method is a set of tasks\/operations that an object can perform. It defines the behavior of the object and how the object can interact with the outside world.<\/p>\n<p>Access Level of members: Access level is where we can use the members of the class. Each variable and method has an access level:<\/p>\n<ul>\n<li>public: accessible everywhere this class is available<\/li>\n<li>private: accessible only inside the class<\/li>\n<li>package or default: accessible only in the package<\/li>\n<li>protected: accessible only in this package and in all subclasses of the class<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&#8212;<\/p>\n<p>Java Tutorial on this website:<\/p>\n<p><a href=\"https:\/\/www.testingdocs.com\/java-tutorial\/\">https:\/\/www.testingdocs.com\/java-tutorial\/<\/a><\/p>\n<p>For more information on Java, visit the official website :<\/p>\n<p><a href=\"https:\/\/www.oracle.com\/in\/java\/\" rel=\"noopener\">https:\/\/www.oracle.com\/in\/java\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview Let&#8217;s learn about a Java Class to answer the question. Java Class A Java class is a blueprint or prototype that defines the variables and the methods that are common to all objects of a certain kind. Java class template [access level] class (Name of the class) { Class definition: members and methods &#8230; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[40],"tags":[],"class_list":["post-21790","post","type-post","status-publish","format-standard","hentry","category-java","has-post-title","has-post-date","has-post-category","has-post-tag","has-post-comment","has-post-author",""],"_links":{"self":[{"href":"https:\/\/www.testingdocs.com\/questions\/wp-json\/wp\/v2\/posts\/21790","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.testingdocs.com\/questions\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.testingdocs.com\/questions\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.testingdocs.com\/questions\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.testingdocs.com\/questions\/wp-json\/wp\/v2\/comments?post=21790"}],"version-history":[{"count":6,"href":"https:\/\/www.testingdocs.com\/questions\/wp-json\/wp\/v2\/posts\/21790\/revisions"}],"predecessor-version":[{"id":23214,"href":"https:\/\/www.testingdocs.com\/questions\/wp-json\/wp\/v2\/posts\/21790\/revisions\/23214"}],"wp:attachment":[{"href":"https:\/\/www.testingdocs.com\/questions\/wp-json\/wp\/v2\/media?parent=21790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.testingdocs.com\/questions\/wp-json\/wp\/v2\/categories?post=21790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.testingdocs.com\/questions\/wp-json\/wp\/v2\/tags?post=21790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}