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programming languages Online Quiz - 34

Description: programming languages Online Quiz - 34
Number of Questions: 20
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Tags: programming languages

Using a break in a for loop , causes the loop to break out of the current iteration and jump to the next iteration of the loop...

  1. True

  2. False

Answer: 1

In a switch construct the execution will continue till

  1. a match case is found

  2. a match case is found and break is encountered

  3. will continue till default

  4. none

Answer: 2

Can abstract classes have non - abstract methods?

  1. True

  2. False

Answer: 1

Methods which are marked as Protected can be accessed only by classes with in the same package?

  1. True

  2. False

Answer: 2

Each source file should have a public class in it ?

  1. True

  2. False

Answer: 2

For Object A to access method of object B, and the method has no modifier, Object A must be an instance of class which is ...

  1. Same package as B

  2. In different package

  3. mark a default acess modifier to the class

  4. None

Answer: 1

What is "instanceOf" ?

  1. an operator

  2. a method

  3. nothing

  4. a keyword in Java

Answer: 1

What gets printed after this boolean b = false; if (b = true){ System.out.println("True"); }

  1. Prints "True"

  2. Prints nothing

  3. Prints false

  4. Error in if condition

Answer: 1

In java local variables are automatically instantiated(T/F)

  1. True

  2. False

Answer: 1

Can we give argument values to the parameters which are not at the end of the parameter list in the function definition ?

  1. True

  2. False

Answer: 2

How to initialize the variable with private scope ?

  1. Prefix the string 'private' to the variable name.

  2. initialize it with '_init_private'

  3. initialize it with double underscore '__'

  4. append the keyword 'pvt' before the variable.

Answer: 3

Variable in python are by default ______

  1. public

  2. private

  3. global

  4. protected

Answer: 1

The constructor in python is _____

  1. def_init()

  2. name of class itself.

  3. python_init_

  4. init

Answer: 4

Identify the correct syntax for instantiating a class .

  1. testObj = CTest

  2. testObj = CTest()

  3. CTest testObj = CTest()

  4. testObj = new CTest()

Answer: 2

Identify the correct syntax for instantiating a class .

  1. testObj = CTest

  2. testObj = CTest()

  3. CTest testObj = CTest()

  4. testObj = new CTest()

Answer: 2

A class or a function definition in python ends with _____

  1. semicolon

  2. parentheses

  3. colon

  4. angle bracket

Answer: 3

Function definition in python prefix with _____ .

  1. function

  2. def

  3. void

  4. func

Answer: 2

Which is the following invalid structure/syntax in python ?

  1. list

  2. module

  3. sequence

  4. lib

Answer: 4

Do the negative indices are allowed in Python ?

  1. True

  2. False

Answer: 1

Do the list structure can have different data types ?

  1. True

  2. False

Answer: 1
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