Tag: programming languages

Questions Related to programming languages

Which of these below are java key words?
technology programming languages

  1. new

  2. break

  3. default

  4. goto

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Correct Option: A,B,C

select which of these are correct
technology programming languages

  1. int = 32-bit signed

  2. float = 32-bit IEEE 754 floating point

  3. long = 64-bit signed

  4. short = 18-bit signed

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Correct Option: A,B,C

A top level class can be marked as
technology programming languages

  1. public

  2. synchronise

  3. private

  4. transient

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Correct Option: A

" ?: " is a
technology programming languages

  1. Conditional operator

  2. assignment operator

  3. bitwise operator

  4. none

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Correct Option: A

Which of the following are bit wise operators in java?

technology programming languages

  1. ~

  2. <

  3. >>

  4. &&

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Correct Option: A,B,C

The expression to the switch must be of a type

technology programming languages

  1. byte/int,

  2. short,

  3. char,

  4. float

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Correct Option: A,B,C

All classes extend from

technology programming languages

  1. java.lang.object

  2. java.lang

  3. none

  4. java.lang.string

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Correct Option: A

abstract keyword is used
technology programming languages

  1. When a class is not to be instantiated,

  2. declare a method without providing the implementation

  3. cannot use a field declared abstract

  4. none

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Correct Option: A,B

Which is not a part of java

technology programming languages

  1. final

  2. finally

  3. finalize

  4. finalised

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Correct Option: D

Using super keywork how many levels up we can go

technology programming languages

  1. one level

  2. two levels

  3. multiple levels

  4. none

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Correct Option: A