Answer Posted / ankur prasad gupta

Difference..
String..
1.Its a class used to handle strings.
2.Here concatenation is used to combine two strings.
3.String object is used to concatenate two strings.
4.The first string is combined to the other string by creating a new copy in the memory as a string object, and then the old
string is deleted
5.we say "Strings are immutable".

String Builder..
1.This is also the class used to handle strings.
2.Here Append method is used.
3.Here, Stringbuilder object is used.
4.Insertion is done on the existing string.
5.Usage of StringBuilder is more efficient in case large amounts of string manipulations have to be performed

What is writeline in c#?

829

---

What is an event in c#?

855

---

Explain the use of SN.exe

1045

---

How does substring work in c#?

925

---

You are designing a user control. You created new property called backgroundimage which is of type image. You wanted to disable storing this property in the user’s form. How to achieve this?

877

---

What is thread.sleep()?

862

---

What is this keyword in C#?

926

---

Can enum have methods c#?

844

---

What is callback delegate in c#?

831

---

What are the advantages of interface in c#?

900

---

Does c# support templates?

929

---

what is a structure in c#

1569

---

What is difference between ienumerable and list?

935

---

What is an escape sequence in c#?

930

---

Which namespace is required to implement trace ?

923

---