Tag: programming languages

Questions Related to programming languages

CLR is a rich type system built into the CTS which Implements various types (int, float, string, …)

technology programming languages

  1. True

  2. False

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Correct Option: B

Base Class Library is set of basic classes: Collections, I/O, Networking, Security, etc.
technology programming languages

  1. True

  2. False

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Correct Option: A

ADO.NET provides .NET applications with access to relational databases

technology programming languages

  1. True

  2. False

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Correct Option: A

Which statement is true about a method?
technology programming languages

  1. A method is an implementation of an abstraction

  2. A method is an attribute defining the property of a particular abstraction

  3. A method is an operation defining the behavior for a particular abstraction

  4. A method is a blueprint for making operations

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Correct Option: C

How do objects pass messages in Java?

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  1. They pass messages by modifying each other's fields

  2. They pass messages by calling each other's instance methods

  3. They pass messages by modifying the static variables of each other's classes

  4. They pass messages by calling static methods of each other's classes

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Correct Option: B

Which of the following is not a legal identifier?

technology programming languages

  1. a2z

  2. 52pickup

  3. _class

  4. total#

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Correct Option: B

Which statement is true?

technology programming languages

  1. new and delete are keywords in the Java language

  2. try, catch, and thrown are keywords in the Java language

  3. return, goto, and default are keywords in the Java language

  4. for, while, and next are keywords in the Java language

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Correct Option: D

Which of the following primitive data types are integer types?

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  1. Type boolean

  2. Type float

  3. Type byte

  4. Type double

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Correct Option: C

Which of the following lines are not valid declarations?
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  1. char a = '\u0061';

  2. char 'a' = 'a';

  3. char \u0061 = 'a';

  4. ch\u0061r a = 'a';

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Correct Option: B

Which of the following expressions evaluates to true?
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  1. (false | true)

  2. (null != null)

  3. (4 <= 4)

  4. (true & false)

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Correct Option: A,C