{"id":19286,"date":"2024-04-15T05:37:26","date_gmt":"2024-04-15T05:37:26","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=19286"},"modified":"2024-04-15T05:37:26","modified_gmt":"2024-04-15T05:37:26","slug":"if-you-omit-any-constructor-argument-when-you-instantiate-an-object-you-must-use-default-values______-a-for-all-parameters-to-the-constructor-b-for-all-parameters-to-the-right-of-the-argument-c-fo","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/if-you-omit-any-constructor-argument-when-you-instantiate-an-object-you-must-use-default-values______-a-for-all-parameters-to-the-constructor-b-for-all-parameters-to-the-right-of-the-argument-c-fo\/","title":{"rendered":"If you omit any constructor argument when you instantiate an object, you must use default values______ A. for all parameters to the constructor B. for all parameters to the right of the argument C. for all parameters to the left of the argument D. for no other parameters"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6ac0367b613ba\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    for all parameters to the constructor                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    for all parameters to the right of the argument                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    for all parameters to the left of the argument                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"true\">\r\n                    for no other parameters                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is: D. for no other parameters.<\/p>\n<p>If you omit any constructor argument when you instantiate an object, you must use default values for the omitted arguments only. The other arguments will be initialized with their default values if they have any, or with null if they do not have any default values.<\/p>\n<p>For example, consider the following code:<\/p>\n<p>&#8220;`class Person {<br \/>\n  String name;<br \/>\n  int age;<\/p>\n<p>Person(String name, int age) {<br \/>\n    this.name = name;<br \/>\n    this.age = age;<br \/>\n  }<br \/>\n}<\/p>\n<p>Person p1 = new Person(&#8220;John Doe&#8221;); \/\/ name is initialized with &#8220;John Doe&#8221; and age is initialized with 0<br \/>\nPerson p2 = new Person(); \/\/ name is initialized with null and age is initialized with 0<br \/>\n&#8220;`<\/p>\n<p>In the first line of code, we create a new instance of the <code>Person<\/code> class with the name &#8220;John Doe&#8221;. In the second line of code, <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> <\/a>\r\n    <\/div> we create a new instance of the <code>Person<\/code> class without specifying any arguments. In this case, the name and age of the new instance will be initialized with their default values, which are null and 0, respectively.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[683],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>If you omit any constructor argument when you instantiate an object, you must use default values______ A. for all parameters to the constructor B. for all parameters to the right of the argument C. for all parameters to the left of the argument D. for no other parameters<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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