Author: DesiBanjara

Interview question: How to sort an array in C#?

Posted on By DesiBanjara No Comments on Interview question: How to sort an array in C#?

By using Array.sort (arrayName) method.  It sorts the elements in an entire one-dimensional Array using the IComparable implementation of each element of the Array. If you want to sort in descending order, First sort the array using Array.sort(arrayName) then reverse the same using Array.reverse (arrayName) method. [amazon_link asins=’9351190900,007070368X,8120352068,9386873583|1840787198,1484230175,0985580135′ template=’ProductGrid’ store=’desibanjara22-21|desibanjaraco-21′ marketplace=’IN|UK’ link_id=’66554407-915d-11e8-9dd7-b3406be566d4′]

C# development, Interview questions

Interview question: What are the types of arrays in C#?

Posted on By DesiBanjara No Comments on Interview question: What are the types of arrays in C#?

There are three types of array in C#: Single-Dimensional Multidimensional Jagged arrays [amazon_link asins=’B0719KCBZT,B0779CNVM8,B011V135LM,B01CZWN0TI,B078NRPJT6,B00F0P2H06,B01FFQ1FS4,B00XHVQZNA,B011V108H6|B000BJVUS6,B01HEZ5H6K,B00IG6GEVO,B0199NOWM0,B00SNH9TKO,B01I9EFN1Y,B00EEV2QVW,B0107BYPLG,B005ANYMG0′ template=’ProductGrid’ store=’desibanjara22-21|desibanjaraco-21′ marketplace=’IN|UK’ link_id=’85aaae9a-94e4-11e8-aef2-6dca01bb821b’]

C# development, Interview questions, IT/Software development

Interview question: In c#, How can we create a function which can accept varying number of arguments?

Posted on By DesiBanjara No Comments on Interview question: In c#, How can we create a function which can accept varying number of arguments?

By using the params keyword, a method parameter can be specified which takes a variable number of arguments or even no argument. After the params keyword used in a method declaration, no additional parameters are permitted. Also only one params keyword is allowed in a method declaration. [amazon_link asins=’B0719KCBZT,B0779CNVM8,B011V135LM,B01CZWN0TI,B078NRPJT6,B00F0P2H06,B01FFQ1FS4,B00XHVQZNA,B011V108H6|B000BJVUS6,B01HEZ5H6K,B00IG6GEVO,B0199NOWM0,B00SNH9TKO,B01I9EFN1Y,B00EEV2QVW,B0107BYPLG,B005ANYMG0′ template=’ProductGrid’ store=’desibanjara22-21|desibanjaraco-21′ marketplace=’IN|UK’ link_id=’85aaae9a-94e4-11e8-aef2-6dca01bb821b’]

C# development, Interview questions, IT/Software development

Interview question: What is the use of NULL Coalescing Operator (??) in C#?

Posted on By DesiBanjara No Comments on Interview question: What is the use of NULL Coalescing Operator (??) in C#?

The Null coalescing operator is used with the nullable value types and reference types. It is a binary operator that simplifies checking for null values. If the value of the first operand is null, then the operator returns the value of second operand, otherwise it returns the value of the first operand. Example:  x ??…

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Interview questions, IT/Software development

Interview question: What are nullable types in C#?

Posted on By DesiBanjara No Comments on Interview question: What are nullable types in C#?

C# provides a special data types, the nullable types, to which you can assign normal range of values as well as null values. [amazon_link asins=’B0719KCBZT,B0779CNVM8,B01CZWN0TI,B011V135LM,B0072T3X38,B078NRPJT6,B01FFQ1FS4,B00XHVQZNA,B011V108H6|B000BJVUS6,B01HEZ5H6K,B0199NOWM0,B00SNH9TKO,B01I9EFN1Y,B00EEV2QVW,B0107BYPLG,B005ANYMG0′ template=’ProductGrid’ store=’desibanjara22-21|desibanjaraco-21′ marketplace=’IN|UK’ link_id=’8afacfe7-94e3-11e8-8441-67501bd4f6a0′]

C# development, Interview questions, IT/Software development

Interview question: What is the purpose of an access specifier in C#?

Posted on By DesiBanjara No Comments on Interview question: What is the purpose of an access specifier in C#?

The purpose of an access specifier is to define the scope and visibility of a class member. C# provides five access specifiers: public, private , protected , internal and protected internal. Public access specifier allows a class to expose its member variables and member functions to other functions and objects. Any public member can be accessed from…

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C# development, Interview questions, IT/Software development

Interview question: What is encapsulation?

Posted on By DesiBanjara No Comments on Interview question: What is encapsulation?

[amazon_textlink asin=’8120352068|1491987650′ text=’Encapsulation’ template=’ProductLink’ store=’desibanjara22-21|desibanjaraco-21′ marketplace=’IN|UK’ link_id=’f15ac4fb-aa0b-11e8-8a76-3b617ede6a31′] is defined ‘as the process of enclosing one or more items within a physical or logical package’. In other words, Encapsulation is a process of binding data members (variables, properties) and member functions (methods) into a single unit. And Class is the best example of encapsulation. In [amazon_textlink asin=’9351191494|1292024011′…

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C# development, IT/Software development

Interview question: What is the purpose of “as” operator in C#?

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“as” operator casts without raising an exception if the cast fails. Example: Object message = new StringReader (“desibanjara”); StringReader newMessage = message as StringReader;   [amazon_link asins=’B019MQLUZG,B079R1JS6K,B079R17XY2,B019MQONW8,B076H5S8S6,B077L4X3PN,B07B6DM75J,B01N3BN5E8,B07B4RZNG2|B00UNEHS44,B01CQOL3F8,B00T7YNWH8,B00T7YOXQC,B01N6BBAK9,B01HE5NDHA,B00SX8GSGG,B01AWLBCIK,B01N0AKAYE’ template=’ProductGrid’ store=’desibanjara22-21|desibanjaraco-21′ marketplace=’IN|UK’ link_id=’287ddac1-9493-11e8-a97d-331c2e92ac11′]

C# development, Interview questions, IT/Software development