Tag: programming languages

Questions Related to programming languages

Dataset x Rev1 Rev2 Rev3 Rev4 1 3 4 5 data y; set x; z=mean(?); run; Fill in the mean function call.

technology programming languages

  1. mean(Rev1-Rev4)

  2. mean(of Rev:)

  3. mean(Rev1 Rev2 Rev3 Rev4)

  4. mean(of Rev1,Rev2,Rev3,Rev3)

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Correct Option: B

The function that gives the day of the week is
technology programming languages

  1. dayofweek

  2. weekday

  3. dayweek

  4. weeknum

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Correct Option: B

The Follwing code will result in a compiler error. Why? class Test { void doStuff() { private int x = 7; this.doMore(x); } }
technology programming languages

  1. The use of This; local to a function is illegal

  2. Access modifiers can not be applied to local variables

  3. All classes must be declared public

  4. None of these

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Correct Option: B

A class can be marked 'Abstract' even if has no abstract methods .
technology programming languages

  1. True

  2. False

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Correct Option: A

Which of the following can be marked Static ? (A)Initialization blocks (B)A class nested within another class, but not within a method

technology programming languages

  1. Only A

  2. Only B

  3. None of these

  4. Both A & B

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Correct Option: D

The overriding method CAN throw any unchecked (runtime) exception.
technology programming languages

  1. True

  2. False

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Correct Option: A

x=input('13mar2010'd,date9.) What is the length and type of the variable x

technology programming languages

  1. 8 bytes;Numeric

  2. 9 bytes Numeric

  3. 8 bytes Character

  4. 9 bytes Character

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Correct Option: A

x='Hi' y='Everybody' z='Hello' The value of z should be "Hi Everyone Hello" Which of the below options can be used to generate this?
technology programming languages

  1. catt(' ',x,y,z)

  2. cat(' ',x,y,z)

  3. catx(' ',x,y,z)

  4. x||y||z

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Correct Option: C

x=day() y=month() z=year() What is true about these variables
technology programming languages

  1. x and y are numeric and z is character

  2. All the variables are numeric

  3. x and z are numeric y is character

  4. All the variables are character

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Correct Option: B

banks {x y} {1 A} {2 B} {3 C} data newbank; set banks; do year=1 to 3; capital + 5000; end; run; What is the value of capital and year for the last observation?
technology programming languages

  1. 15000,4

  2. 45000,3

  3. 15000, 3

  4. 45000 , 4

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Correct Option: D