{"id":1573,"date":"2023-11-26T12:41:12","date_gmt":"2023-11-26T12:41:12","guid":{"rendered":"https:\/\/www.multiplechoicequestions.org\/?p=1573"},"modified":"2023-11-26T12:46:42","modified_gmt":"2023-11-26T12:46:42","slug":"java-if-else-mcq","status":"publish","type":"post","link":"https:\/\/www.multiplechoicequestions.org\/java-programming\/java-if-else-mcq\/","title":{"rendered":"Java if\/else MCQ"},"content":{"rendered":"\n<h2>1. What is the purpose of an &apos;if&apos; statement in Java?<\/h2>\n<div class=\"optioncontainer\">a) To define a new method<\/div>\n<div class=\"optioncontainer\">b) To declare a variable<\/div>\n<div class=\"optioncontainer\">c) To execute a block of code if a condition is true<\/div>\n<div class=\"optioncontainer\">d) To iterate over a collection<\/div>\n<button class=\"answer-explanation\" onclick=\"toggleAnswer('answer1')\">Click to View Answer and Explanation<\/button>\n<div class=\"answer\" id=\"answer1\">\n    <h3>Answer:<\/h3>\n    <div class=\"optioncontainer\">c) To execute a block of code if a condition is true<\/div>\n    <h3>Explanation:<\/h3>\n    <p> An &apos;if&apos; statement in Java is used to specify a block of code that should be executed if a specified condition is true.\n<\/p>\n<\/div>\n\n<h2>2. How does Java compare two values for equality in an &apos;if&apos; statement?<\/h2>\n<div class=\"optioncontainer\">a) =<\/div>\n<div class=\"optioncontainer\">b) ==<\/div>\n<div class=\"optioncontainer\">c) ===<\/div>\n<div class=\"optioncontainer\">d) !=<\/div>\n<button class=\"answer-explanation\" onclick=\"toggleAnswer('answer2')\">Click to View Answer and Explanation<\/button>\n<div class=\"answer\" id=\"answer2\">\n    <h3>Answer:<\/h3>\n    <div class=\"optioncontainer\">b) ==<\/div>\n    <h3>Explanation:<\/h3>\n    <p> In Java, &apos;==&apos; is used to compare two values for equality within an &apos;if&apos; statement.\n<\/p>\n<\/div>\n\n<h2>3. What will be the output of the following code?<\/h2>\n<pre>\n    <code class=\"\" data-line=\"\">\nint x = 10;\nif (x &gt; 5) {\n    System.out.println(&quot;Greater than 5&quot;);\n}\n    <\/code>\n<\/pre>\n<div class=\"optioncontainer\">a) Error<\/div>\n<div class=\"optioncontainer\">b) Greater than 5<\/div>\n<div class=\"optioncontainer\">c) No output<\/div>\n<div class=\"optioncontainer\">d) 5<\/div>\n<button class=\"answer-explanation\" onclick=\"toggleAnswer('answer3')\">Click to View Answer and Explanation<\/button>\n<div class=\"answer\" id=\"answer3\">\n    <h3>Answer:<\/h3>\n    <div class=\"optioncontainer\">b) Greater than 5<\/div>\n    <h3>Explanation:<\/h3>\n    <p> Since x is 10, which is greater than 5, the code inside the &apos;if&apos; statement will execute, printing &quot;Greater than 5&quot;.\n<\/p>\n<\/div>\n\n<h2>4. Which statement is used with &apos;if&apos; to execute a block of code when the &apos;if&apos; condition is false?<\/h2>\n<div class=\"optioncontainer\">a) else<\/div>\n<div class=\"optioncontainer\">b) then<\/div>\n<div class=\"optioncontainer\">c) elseif<\/div>\n<div class=\"optioncontainer\">d) or<\/div>\n<button class=\"answer-explanation\" onclick=\"toggleAnswer('answer4')\">Click to View Answer and Explanation<\/button>\n<div class=\"answer\" id=\"answer4\">\n    <h3>Answer:<\/h3>\n    <div class=\"optioncontainer\">a) else<\/div>\n    <h3>Explanation:<\/h3>\n    <p> The &apos;else&apos; statement is used alongside &apos;if&apos; to specify a block of code that should be executed if the &apos;if&apos; condition is false.\n<\/p>\n<\/div>\n\n<h2>5. In an &apos;if&apos; statement, what is the correct way to check if a variable &apos;a&apos; is not equal to 10?<\/h2>\n<div class=\"optioncontainer\">a) if (a != 10)<\/div>\n<div class=\"optioncontainer\">b) if (a == 10)<\/div>\n<div class=\"optioncontainer\">c) if (a =! 10)<\/div>\n<div class=\"optioncontainer\">d) if (a &lt; &gt; 10)<\/div>\n<button class=\"answer-explanation\" onclick=\"toggleAnswer('answer5')\">Click to View Answer and Explanation<\/button>\n<div class=\"answer\" id=\"answer5\">\n    <h3>Answer:<\/h3>\n    <div class=\"optioncontainer\">a) if (a != 10)<\/div>\n    <h3>Explanation:<\/h3>\n    <p> The &apos;!=&apos; operator is used to check for inequality in an &apos;if&apos; statement.\n<\/p>\n<\/div>\n\n<h2>6. How do you specify multiple conditions in an &apos;if&apos; statement?<\/h2>\n<div class=\"optioncontainer\">a) Using multiple &apos;if&apos; statements<\/div>\n<div class=\"optioncontainer\">b) Using the &apos;&amp;&amp;&apos; operator<\/div>\n<div class=\"optioncontainer\">c) Using the &apos;||&apos; operator<\/div>\n<div class=\"optioncontainer\">d) Both b and c<\/div>\n<button class=\"answer-explanation\" onclick=\"toggleAnswer('answer6')\">Click to View Answer and Explanation<\/button>\n<div class=\"answer\" id=\"answer6\">\n    <h3>Answer:<\/h3>\n    <div class=\"optioncontainer\">d) Both b and c<\/div>\n    <h3>Explanation:<\/h3>\n    <p> Multiple conditions in an &apos;if&apos; statement can be specified using logical operators like &apos;&amp;&amp;&apos; (and) and &apos;||&apos; (or).\n<\/p>\n<\/div>\n\n<h2>7. Which statement is used to specify a new condition to test if the &apos;if&apos; condition is false?<\/h2>\n<div class=\"optioncontainer\">a) else<\/div>\n<div class=\"optioncontainer\">b) else if<\/div>\n<div class=\"optioncontainer\">c) then<\/div>\n<div class=\"optioncontainer\">d) switch<\/div>\n<button class=\"answer-explanation\" onclick=\"toggleAnswer('answer7')\">Click to View Answer and Explanation<\/button>\n<div class=\"answer\" id=\"answer7\">\n    <h3>Answer:<\/h3>\n    <div class=\"optioncontainer\">b) else if<\/div>\n    <h3>Explanation:<\/h3>\n    <p> The &apos;else if&apos; statement is used to specify a new condition to be tested if the initial &apos;if&apos; condition is false.\n<\/p>\n<\/div>\n\n<h2>8. What is the correct syntax for an &apos;if&apos; statement in Java?<\/h2>\n<div class=\"optioncontainer\">a) if condition { }<\/div>\n<div class=\"optioncontainer\">b) if (condition) { }<\/div>\n<div class=\"optioncontainer\">c) if [condition] { }<\/div>\n<div class=\"optioncontainer\">d) if &lt;condition&gt; { }<\/div>\n<button class=\"answer-explanation\" onclick=\"toggleAnswer('answer8')\">Click to View Answer and Explanation<\/button>\n<div class=\"answer\" id=\"answer8\">\n    <h3>Answer:<\/h3>\n    <div class=\"optioncontainer\">b) if (condition) { }<\/div>\n    <h3>Explanation:<\/h3>\n    <p> The correct syntax for an &apos;if&apos; statement in Java includes the condition within parentheses followed by a block of code enclosed in curly braces.\n<\/p>\n<\/div>\n\n<h2>9. What does the following code output?<\/h2>\n<pre><code class=\"\" data-line=\"\">    int time = 20;\n    if (time &lt; 18) {\n        System.out.println(&quot;Good day.&quot;);\n    } else {\n        System.out.println(&quot;Good evening.&quot;);\n    }\n<\/code><\/pre>\n<div class=\"optioncontainer\">a) Good day.<\/div>\n<div class=\"optioncontainer\">b) Good evening.<\/div>\n<div class=\"optioncontainer\">c) No output<\/div>\n<div class=\"optioncontainer\">d) Error<\/div>\n<button class=\"answer-explanation\" onclick=\"toggleAnswer('answer9')\">Click to View Answer and Explanation<\/button>\n<div class=\"answer\" id=\"answer9\">\n    <h3>Answer:<\/h3>\n    <div class=\"optioncontainer\">b) Good evening.<\/div>\n    <h3>Explanation:<\/h3>\n    <p> Since the value of &apos;time&apos; (20) is not less than 18, the &apos;else&apos; block will execute, outputting &quot;Good evening.&quot;.\n<\/p>\n<\/div>\n\n<h2>10. If &apos;a&apos; is 5, what will be the output of the following code?<\/h2>\n<pre><code class=\"\" data-line=\"\">    if (a == 10) {\n    \u00a0 System.out.println(&quot;Ten&quot;);\n    } else if (a &lt; 10) {\n    \u00a0 System.out.println(&quot;Less than Ten&quot;);\n    } else {\n    \u00a0 System.out.println(&quot;More than Ten&quot;);\n    }<\/code><\/pre>\n<div class=\"optioncontainer\">a) Ten<\/div>\n<div class=\"optioncontainer\">b) Less than Ten<\/div>\n<div class=\"optioncontainer\">c) More than Ten<\/div>\n<div class=\"optioncontainer\">d) No output<\/div>\n<button class=\"answer-explanation\" onclick=\"toggleAnswer('answer10')\">Click to View Answer and Explanation<\/button>\n<div class=\"answer\" id=\"answer10\">\n    <h3>Answer:<\/h3>\n    <div class=\"optioncontainer\">b) Less than Ten<\/div>\n    <h3>Explanation:<\/h3>\n    <p> Since &apos;a&apos; is 5, which is less than 10, the &apos;else if&apos; block will execute, printing &quot;Less than Ten&quot;.\n<\/p>\n<\/div>\n\n<h2>11. Which operator checks if two values are not equal in an &apos;if&apos; statement?<\/h2>\n<div class=\"optioncontainer\">a) !=<\/div>\n<div class=\"optioncontainer\">b) ==<\/div>\n<div class=\"optioncontainer\">c) &gt;<\/div>\n<div class=\"optioncontainer\">d) &lt;<\/div>\n<button class=\"answer-explanation\" onclick=\"toggleAnswer('answer11')\">Click to View Answer and Explanation<\/button>\n<div class=\"answer\" id=\"answer11\">\n    <h3>Answer:<\/h3>\n    <div class=\"optioncontainer\">a) !=<\/div>\n    <h3>Explanation:<\/h3>\n    <p> In an &apos;if&apos; statement, the &apos;!=&apos; operator is used to check if two values are not equal.\n<\/p>\n<\/div>\n\n<h2>12. How is the &apos;else if&apos; statement used in Java?<\/h2>\n<div class=\"optioncontainer\">a) To specify an alternate condition only if the &apos;if&apos; condition is true<\/div>\n<div class=\"optioncontainer\">b) To execute a block of code regardless of the &apos;if&apos; condition<\/div>\n<div class=\"optioncontainer\">c) To specify a new condition to test, if the first condition is false<\/div>\n<div class=\"optioncontainer\">d) To repeat the &apos;if&apos; condition<\/div>\n<button class=\"answer-explanation\" onclick=\"toggleAnswer('answer12')\">Click to View Answer and Explanation<\/button>\n<div class=\"answer\" id=\"answer12\">\n    <h3>Answer:<\/h3>\n    <div class=\"optioncontainer\">c) To specify a new condition to test, if the first condition is false<\/div>\n    <h3>Explanation:<\/h3>\n    <p> The &apos;else if&apos; statement is used to specify a new condition that will be tested if the initial &apos;if&apos; condition evaluates to false.\n<\/p>\n<\/div>\n\n<script>\n   window.onload = function() {\ndocument.getElementById('answer1').style.display = 'none';\ndocument.getElementById('answer2').style.display = 'none';\ndocument.getElementById('answer3').style.display = 'none';\ndocument.getElementById('answer4').style.display = 'none';\ndocument.getElementById('answer5').style.display = 'none';\ndocument.getElementById('answer6').style.display = 'none';\ndocument.getElementById('answer7').style.display = 'none';\ndocument.getElementById('answer8').style.display = 'none';\ndocument.getElementById('answer9').style.display = 'none';\ndocument.getElementById('answer10').style.display = 'none';\ndocument.getElementById('answer11').style.display = 'none';\ndocument.getElementById('answer12').style.display = 'none';\n   };\n\n   function toggleAnswer(answerId) {\n     var answer = document.getElementById(answerId);\n     if (answer.style.display === \"none\") {\n       answer.style.display = \"block\";\n     } else {\n       answer.style.display = \"none\";\n     }\n   }\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>1. What is the purpose of an &apos;if&apos; statement in Java? a) To define a new method b) To declare a variable c) To execute a block of code if a condition is true d) To iterate over a collection Click to View Answer and Explanation Answer: c) To execute a block of code if [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1573","post","type-post","status-publish","format-standard","hentry","category-java-programming"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Java if\/else MCQ - Multiple Choice Questions<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.multiplechoicequestions.org\/java-programming\/java-if-else-mcq\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java if\/else MCQ - Multiple Choice Questions\" \/>\n<meta property=\"og:description\" content=\"1. 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