{"id":8689,"date":"2019-01-21T17:43:34","date_gmt":"2019-01-21T17:43:34","guid":{"rendered":"https:\/\/www.monsterindia.com\/career-advice\/16-oops-interview-questions-to-help-you-succeed-in-your-next-interview-8689\/"},"modified":"2023-03-30T10:44:48","modified_gmt":"2023-03-30T05:14:48","slug":"16-oops-interview-questions-to-help-you-succeed-in-your-next-interview","status":"publish","type":"post","link":"https:\/\/www.monster.co.th\/career-advice\/16-oops-interview-questions-to-help-you-succeed-in-your-next-interview\/","title":{"rendered":"Top 8 OOPS Interview Questions and answers"},"content":{"rendered":"\n<p><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">An OOPS interview can be a tough nut to crack for even the most seasoned IT professionals,\u202fespecially if you are not well prepared. To help you in your quest to score that coveted job<\/span>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\"><strong>Here\u2019s a list of the best OOPS (Object Oriented Programming System) Interview questions along with their answers. <\/strong><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 12pt\"><strong><span style=\"font-family: verdana,geneva,sans-serif\">1. Can you explain the different types of Inheritance? <\/span><\/strong><\/span><\/h3>\n\n\n\n<p><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">There are four main types of Inheritance in OOPS as listed below: <\/span><\/p>\n\n\n\n<p><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Single Inheritance: This includes one base class along with one derived class. <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Hierarchical Inheritance: This inheritance class includes one base class as well as multiple derived classes of the same base class. <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Multilevel Inheritance: This includes a class derived from a derived class. <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Multiple Inheritance: This class includes several base classes as well as a derived class. <\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 12pt\"><strong><span style=\"font-family: verdana,geneva,sans-serif\">2. Explain the concept of a hashtable. <\/span><\/strong><\/span><\/h3>\n\n\n\n<p><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">Hashtable is used to store multiple items. Each of these items is linked with their own unique string key and can be accessed using the key associated with it. <\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 12pt\"><strong><span style=\"font-family: verdana,geneva,sans-serif\">3. What is Association? <\/span><\/strong><\/span><\/h3>\n\n\n\n<p><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">Association can be described as a relationship that exists between two objects with multiplicity. <\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 12pt\"><strong><span style=\"font-family: verdana,geneva,sans-serif\">4. Can you touch upon the core concepts of OOPS? <\/span><\/strong><\/span><\/h3>\n\n\n\n<p><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">The core concepts of OOPS are as below: <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Encapsulation <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Polymorphism <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Inheritance <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Abstraction <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Composition <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Association <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Aggregation <\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 12pt\"><strong><span style=\"font-family: verdana,geneva,sans-serif\">5. Can you list out some examples of tokens?<\/span><\/strong><\/span><\/h3>\n\n\n\n<p><span style=\"font-size: 12pt\"><strong><span style=\"font-family: verdana,geneva,sans-serif\"><br> <\/span><\/strong><\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">Here are some common examples of tokens: <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Keywords <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Commas <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Constants <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Identifiers <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Brackets <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Operators <\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 12pt\"><strong><span style=\"font-family: verdana,geneva,sans-serif\">6. Can you describe Polymorphism and list out the different types of Polymorphism? <\/span><\/strong><\/span><\/h3>\n\n\n\n<p><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">Polymorphism can be termed as the ability to take on more than one form. In OOPS, Polymorphism means a single interface with multiple implementations for a certain class of action. <\/span><\/p>\n\n\n\n<p><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">Polymorphism can further be classified into two distinct types: <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Static <\/span><br><span style=\"font-size: 12pt\"><span style=\"font-family: verdana,geneva,sans-serif\">\u2022 Dynamic <br><\/span><span style=\"font-family: verdana, geneva, sans-serif\"><br><\/span><span style=\"font-family: verdana,geneva,sans-serif\"><strong>You may also like:<\/strong><\/span><\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li style=\"text-align: justify\"><span style=\"font-size: 12pt\"><span style=\"font-family: verdana,geneva,sans-serif\"><a title=\"6 Questions to ask at the end of your Job Interview\" href=\"https:\/\/www.monsterindia.com\/career-advice\/6-questions-to-ask-at-the-end-of-your-job-interview\/\" target=\"_blank\" rel=\"noopener\">6 Questions to ask at the end of your Job Interview<\/a><\/span><\/span><\/li><li style=\"text-align: justify\"><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\"><a title=\"10 Tips to stay focused in an Interview\" href=\"https:\/\/www.monsterindia.com\/career-advice\/10-tips-to-stay-focused-in-an-interview\/\" target=\"_blank\" rel=\"noopener\">10 Tips to stay focused in an Interview<\/a><\/span><\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 12pt\"><strong><span style=\"font-family: verdana,geneva,sans-serif\">7. Can you explain what Access Modifiers are? <\/span><\/strong><\/span><\/h3>\n\n\n\n<p><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">Access modifiers are used to figure out the scope of the method or variables accessible from other various objects or classes. <\/span><\/p>\n\n\n\n<p><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">Access modifiers can be of five types: <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Private <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Public <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Protected <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Friend <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Protected Friend <\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 12pt\"><strong><span style=\"font-family: verdana,geneva,sans-serif\">8. Can you list out the different types of constructors? <\/span><\/strong><\/span><\/h3>\n\n\n\n<p><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">Constructors are of three types as listed below: <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Default Constructor: Contains no parameters. <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Parametric Constructor: Contains parameters. This parameter is used to create a new class instance and for simultaneously passing arguments. <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">\u2022 Copy Constructor: This is used to create a new object as a copy of an existing object. <\/span><\/p>\n\n\n\n<p><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">In addition to the above-mentioned questions, here\u2019s an additional list of 8 frequently asked OOPS Interview questions that will surely assist you in your bid to crack your all-important OOPS interview. <\/span><\/p>\n\n\n\n<p><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">a. Can you explain what a multicast Delegate is? <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">b. Please describe the friend function. <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">c. Explain the what Information Hiding is in OOPS. <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">d. Explain the concepts of Overloading and Overriding Polymorphism. <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">e. Describe the concept of Enum? <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">f. Explain multiple inheritance. <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">g. Can you point out the differences between Shadowing and Overriding? <\/span><br><span style=\"font-family: verdana,geneva,sans-serif;font-size: 12pt\">h. Touch upon the differences between Static and Dynamic polymorphism.<\/span><\/p>\n\n\n\n<p><span style=\"font-size: 10pt\"><strong><span style=\"font-family: verdana,geneva,sans-serif\">Looking for OOPS Jobs in top cities? Click at the links below:<\/span><\/strong><\/span><\/p>\n\n\n\n<p><span style=\"font-family: verdana, geneva, sans-serif;font-size: 10pt\">\u2022 <a title=\"OOPS Jobs in Gurgaon\" href=\"https:\/\/www.monsterindia.com\/search\/oops-jobs-in-gurgaon\" target=\"_blank\" rel=\"noopener\">OOPS Jobs in Gurgaon<\/a><\/span><br><span style=\"font-family: verdana, geneva, sans-serif;font-size: 10pt\">\u2022 <a title=\"OOPS Jobs in Mumbai\" href=\"https:\/\/www.monsterindia.com\/search\/oops-jobs-in-mumbai\" target=\"_blank\" rel=\"noopener\">OOPS Jobs in Mumbai<\/a><\/span><br><span style=\"font-family: verdana, geneva, sans-serif;font-size: 10pt\">\u2022 <a title=\"OOPS Jobs in Chennai\" href=\"https:\/\/www.monsterindia.com\/search\/oops-jobs-in-chennai\" target=\"_blank\" rel=\"noopener\">OOPS Jobs in Chennai<\/a><\/span><br><span style=\"font-family: verdana, geneva, sans-serif;font-size: 10pt\">\u2022 <a title=\"OOPS Jobs in Bangalore\" href=\"https:\/\/www.monsterindia.com\/search\/oops-jobs-in-bengaluru-bangalore\" target=\"_blank\" rel=\"noopener\">OOPS Jobs in Bangalore<\/a><\/span><br><span style=\"font-family: verdana, geneva, sans-serif;font-size: 10pt\">\u2022 <a title=\"OOPS Jobs in Pune\" href=\"https:\/\/www.monsterindia.com\/search\/oops-jobs-in-pune\" target=\"_blank\" rel=\"noopener\">OOPS Jobs in Pune<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>An OOPS interview can be a tough nut to crack for even the most seasoned IT professionals,\u202fespecially if you are not well prepared. To help you in your quest to score that coveted job. Here\u2019s a list of the best OOPS (Object Oriented Programming System) Interview questions along with their answers. 1. Can you explain [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8690,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[147],"tags":[],"class_list":{"0":"post-8689","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-interview-questions"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.monster.co.th\/career-advice\/wp-json\/wp\/v2\/posts\/8689","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.monster.co.th\/career-advice\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.monster.co.th\/career-advice\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.monster.co.th\/career-advice\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.monster.co.th\/career-advice\/wp-json\/wp\/v2\/comments?post=8689"}],"version-history":[{"count":3,"href":"https:\/\/www.monster.co.th\/career-advice\/wp-json\/wp\/v2\/posts\/8689\/revisions"}],"predecessor-version":[{"id":16269,"href":"https:\/\/www.monster.co.th\/career-advice\/wp-json\/wp\/v2\/posts\/8689\/revisions\/16269"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.monster.co.th\/career-advice\/wp-json\/wp\/v2\/media\/8690"}],"wp:attachment":[{"href":"https:\/\/www.monster.co.th\/career-advice\/wp-json\/wp\/v2\/media?parent=8689"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.monster.co.th\/career-advice\/wp-json\/wp\/v2\/categories?post=8689"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.monster.co.th\/career-advice\/wp-json\/wp\/v2\/tags?post=8689"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}