1) What is D programming language?

D programming language is an object oriented programming language. It is created by Walter Bright of Digital Mars. It was released in 2001.

2) Who is the developer of D programming language?

D Language Foundation is the developer of D programming language.

3) What are the features of D programming language?

D programming language features are:

Garbage collection
First class arrays
Open source
Inner classes
Closures
Anonymous functions
Lazy evaluation etc.

4) How can we write a simple program in D programming language?

We can write a simple program in D programming language by using following code:

import std.stdio;   

 void main(string[] args) {   

   writeln("Hello World!");   

}  

5) What are the compilers in D programming language?

The compilers of D programming language are:

6) What are the two expressions in D programming language?

There are two expressions in D programming language:

lvalue
rvalue

7) What is Enum in D programming language?

Enum is a keyword that used to define named constant values. Syntax:

enum enum_name {    

   enumeration list   

}

8) What are the D programming Operators?

D programming operators are:

Arithmetic Operators
Relational Operators
Logical Operators
Bitwise Operators
Assignment Operators
Misc Operators

9) What are the various functions in D programming language?

The functions of D programming Language are:

Pure Functions
Nothrow Functions
Ref Functions
Auto Functions
Variadic Functions etc.

10) How can we read character in D programming language?

We can read character in D programming Language by using read Unicode character. Example:

readf(" %s", &letter);

11) What is the way to represents string in D programming language?

In D programming language, string is represented in two ways:

Character array
Core language string

12) How can we declare an array in D programming language?

In D programming language, we can declare an array by using given code.

type arrayName [ arraySize ];

13) What are the pointer operations in D programming language?

The pointer operations in D programming Language are:

We can define pointer variables.
We can assign the address of a variable to a pointer
We can access the value of address in the pointer variable.

14) What is use of tuples?

Tuples is used to combine the multiple values as a single object. It contains a sequence of elements. Example:

import std.stdio;   

import std.typecons;   

 void main() {   

   auto myTuple = tuple(1, "Tuts");   

   writeln(myTuple);   

   writeln(myTuple[0]);   

   writeln(myTuple[1]);   

}

15) What are the various editors for D programming Language?

There are various editors for D programming language: EMACS, VIM, EPSION and many more.

16) What is the extension of D programming?

The extension of D programming is ".d".

17) What are the types of D Compiler?

There are different types of D Compiler:

18) Is D programming language case sensitive?

Yse, D programming language is case sensitive.

19) What are the data types used in D programming language?

There are following data types used in D programming language: char, int, float, double and void.

20) What is an enumeration?

An enumeration is used to define named constant value. Syntax:

enum enum_name {    

   enumeration list   

}

21) How can we read character in D?

We can read character in D by using readf. Example:

readf(" %s", &letter);

22) What is the techniques to represent string in D programming language?

In D programming language, there are two techniques to represents of string.

Character array
Core language string

23) What is the array properties in D programming language?

In D programming language, the array properties are given below:

.init
.sizeof
.length
.prt
.dup
.reverse

24) Does D programming language allow Multi Dimensional array?

Yes, D programming language allow Multi dimensional array. Syntax:

type name[size1][size2]...[sizeN];

25) How can we define a union in D Programming language?

We can define a union in F programming language by using following code:

union [union tag] {   

   member definition;   

   member definition;   

   ...   

   member definition;   

} [one or more union variables];

26) Write the example of string mixins in D programming language?

In D programming language, the example of string mixins is given below:

import std.stdio;   

void main() {   

   mixin(`writeln("Hello World!");`);   

}

27) What are the variables that can never be mutated?

There are three variables that can never be mutated:

enum constants
immutable variables
const variables

28) How to write a File in D programming language?

The following command is used to write a file in D programming language:

file.writeln("hello");

29) Which method is used to start a new thread?

Spawn() method is used to start a new thread .

30) What is the syntax to catch exception in D programming language?

The following syntax is used to catch exception in D programming language. Syntax:

 try {   

   // protected code   

}   

catch( ExceptionName e ) {   

   // code to handle ExceptionName exception   

}

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