National Level Online Quiz on Programming Skills

Online Quiz on Programming Skills 

Which is a reserved word in the Java programming language? 

Method

Native

Subclasses

Reference

Answer :   Native

 

What is the name of the method used to start a thread execution? 

init();

start();

run();

resume();

Answer :   start();

 

Which of the following would compile without error? 

int a = Math.abs(-5);

int b = Math.abs(5.0);

int c = Math.abs(5.5F);

int d = Math.abs(5L);

Answer :   int a = Math.abs(-5);

 

Which class does not override the equals() and hashCode() methods, inheriting them directly from class Object? 

java.lang.String

java.lang.Double

java.lang.StringBuffer

java.lang.Character

Answer :   java.lang.StringBuffer

 

Which interface does java.util.Hashtableimplement? 

Java.util.Map

Java.util.List

Java.util.HashTable

Java.util.Collection

Answer :   Java.util.Map

 

________ specifier indicates that no value is available. 

Array

Pointer

Void

Union

Answer :  Void

 

In Bitwise operator,Assume A=60 and B=13 in binary format, then A&B=? 

A) 0011 1101

B) 0000 1100

C) 0011 0001

D) 1100 0011

Answer :  B) 0000 1100

 

What will be the output of the following C code? #include <stdio.h> void main() { int x = 5; if (true); printf("hello"); } 

It will display hello 

It will throw an error

Nothing will be displayed

Compiler dependent

Answer :  It will throw an error

 

Which one of the following is not a storage classes? 

Literal

Auto

Static

Extern

Answer :  Literal

 

A _______ is a name used to identify a variable, function, or user defined item. 

Keyword

Identifier

Tokens

Constant

Answer : Identifier

 

For 16-bit compiler allowable range for integer constants is ________ 

-3.4e38 to 3.4e38

-32767 to 32768

-32668 to 32667

-32768 to 32767

Answer : -32768 to 32767

 

The function used to free the memory allocated by calloc() 

dealloc();

malloc(variable_name, 0)

free();

memalloc(variable_name, 0)

Answer : free();

 

In c++ _____ is a process in which one class defines another class as any entity reference 

Inheritence

Aggregation

Polymorphism

Overloading

Answer : Aggregation

 

Which of the following concepts means determining at runtime what method to invoke? 

Data hiding

Dynamic Typing

Dynamic binding

Dynamic loading

 Answer : Dynamic binding

 

The Abstract class defines 

A class with abstract keyword

A class with no functions in it

A class with atleast one pure virtual function

Empty Class

Answer : A class with atleast one pure virtual function

 

Which of the following is not an implicit object ? 

request

date

out

pagecontext

Answer : date

 

Which of the following is the attribute that is used to set a global identifier for a microdata item? 

key

id

itemclass

itemid

Answer : itemid

 

Which attribute is used to provide an advisory text about an element or its contents? 

Tooltip

 

dir

Title

Head

Answer : Title

 

The __________ attribute sets the text direction as related to the lang attribute. 

lang

sub

dir

ds

Answer : dir

 

Which of the following is the attribute that specifies the column name from the data source object that supplies the bound data? 

dataFormatAs

datafld

disabled

datasrc

Answer : datafld

 

The _____________ attribute specifies an inline style associated with an element, which determines the rendering of the affected element. 

dir

style

class

article

Answer : style

 

The CLR is physically represented by an assembly named _______ 

mscoree.dll

mcoree.dll

msoree.dll

mscor.dll

Answer : mscoree.dll

 

CLR is the .NET equivalent of _________. 

Java Virtual Machine

Common Language Runtime

Common Type System

Common Language Specification

Answer : Java Virtual Machine

 

The ____ language allows more than one method in a single class 

C#

J#

C++

C

Answer : C#

 

In C#, a subroutine is called a ____ 

Function

Metadata

Method

Managed code

Answer : Method