Q221
Open questionHow do you start writing an if statement in Kotlin?
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Computer Science · all questionsKotlin Programming MCQ for Competitive Exams, Interviews, and Certifications
Kotlin Programming MCQ for Competitive Exams, Interviews, and Certifications
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292
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Q222
Open questionTo create an array in Kotlin, use
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Q223
Open questionWhich feature in Kotlin helps to prevent NullPointerExceptions?
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Q224
Open questionHow do you start writing a while loop in Kotlin?
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Q225
Open questionHow do you declare an array of integers in Kotlin?
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Q226
Open questionWhich keyword is used to declare a function?
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Q227
Open questionHow do you declare a variable in Kotlin?
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Q228
Open questionWhich keyword is used to return a value inside a function?
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Q229
Open questionWhich statement is used to stop a loop?
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Q230
Open questionWhich keyword is used to create a class in Kotlin?
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Q231
Open questionKotlin has two equality operators, == and ===. What is the difference?
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Q232
Open questionYour code need to try casting an object. If the cast is not possible, you do not want an exception generated, instead you want null to be assigned. Which operator can safely cast a value?
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Q233
Open questionWhich is the correct declaration of an integer array with a size of 5?
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Q234
Open questionWhich command will return the length of a String in Kotlin?
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Q235
Open questionWhich view attribute do you use to set the width of a View so that it adjusts to fit the content?
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Q236
Open questionYou would like to group a list of students by last name and get the total number of groups. Which line of code accomplishes this, assuming you have a list of the Student data class? Data class Student(val firstName: String, val lastName: String)
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Q237
Open questionWhich method changes the image resource for an ImageView in Kotlin code?
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Q238
Open questionWhich of the following extension methods are used in Kotlin?
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Q239
Open questionWhich method on an Activity inflates the app's layout and makes its views available as objects?
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Q240
Open questionWhich is the correct way to reference bound data in the XML layout?
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