Strings in C# Assignment Help
STRINGS
- The sequence of characters is called strings.
- String variable is declared using string keyword
- Actually String belongs to System.String className.
Strings in C# Assignment Help By Online Tutoring and Guided Sessions from assignmenthippo.com
Creating Strings:
String s1= “hai”;
String length:
The length method is used to find the length of given string.
Example:
classNamesample
{
static void main(String args[])
{
String s1 = "my name is mani";
int leng = s1.length();System.Console.WriteLine( "The Length of the String s1 is : " + leng );
}
}
Output: String Object Length is : 15
String Methods
|
Methods |
Meaning |
|
public static int Compare(string strA, string strB) |
To Compare two specified string objects |
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public static int Compare(string str1, string str2, bool caseignore ) |
To Compare two specified strings and also ignores case |
|
public static string Concat(string str1, string str2) |
Concatenates two string objects. |
|
public static string Concat(string str, string str1, string str2) |
Concatenates three string objects. |
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public static string Concat(string str1, string str2, string str3, string str4) |
Concatenates four string objects. |
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public bool Contains(string value) |
To check the specified String object occurs within this string. |
|
public static string Copy(string str) |
To Create a new String object with the same value |
|
public void CopyTo(int sourceIndex, char[] destination, int destinationIndex, int count) |
To Copy a specified number of characters from a given position of the String object to a specified position in an array |
|
public bool EndsWith(string value) |
To check whether the end of the string matches the given string. |
|
public bool Equals(string value) |
To check whether the current String and the given String have the same value. |
|
public static bool Equals(string a, string b) |
To check whether two specified String have the same value. |
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public static string Format(string format, Object arg0) |
It places the format items in a given string with the string depiction of a given object. |
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public int IndexOf(char value) |
Returns index of the first occurrence of the given character in the current string. |
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public int IndexOf(string value) |
Returns index of the first occurrence of the given string |
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public int IndexOf(char value, int startIndex) |
Returns index of the first occurrence of the specified character from the specified character position. |
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public int IndexOf(string value, int startIndex) |
Returns index of the first occurrence of the specified string from the specified character position. |
|
public int IndexOfAny(char[] anyOf) |
Returns index of the first occurrence of any character in a given array of characters. |
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public int IndexOfAny(char[] anyOf, int startIndex) |
Returns index of the first occurrence of any character in a given array of characters from the given character position. |
|
public string Insert(int startIndex, string value) |
Given string is inserted at a given index position |
|
public static bool IsNullOrEmpty(string value) |
Returns whether the given string is null or an empty |
|
public static string Join(string separator, params string[] value) |
Joins all the elements of a string array, using the given separator |
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public static string Join(string divider, string[] value, int startindex, int count) |
Joins the given elements of a string array, using the given separator |
|
public int LastIndexOf(char value) |
To find the last occurrence of the specified character within the current string |
|
public int LastIndexOf(string value) |
To find the last occurrence of a specified string within the current string |
|
public string Remove(int startIndex) |
Removes all the characters beginning at a specified position the string. |
|
public string Remove(int startIndex, int count) |
Removes the given number of beginning at a specified position and returns the string. |
|
public string Replace(char oldChar, char newChar) |
Replaces all appearance of a specified Unicode character in the current string. |
|
public string Replace(string oldValue, string newValue) |
Replaces all appearance of a specified string in the current string |
|
public string[] Split(params char[] separator) |
Returns a string array that has the substrings in the current string object |
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public string[] Split(char[] separator, int count) |
Returns a string array that has the substrings in the current string object, delimited by specified character |
|
public bool StartsWith(string value) |
To check whether the beginning of the string matches the given string. |
|
public char[] ToCharArray() |
Returns a character array with all the characters |
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public char[] ToCharArray(int startIndex, int length) |
Returns a character array with all the characters from the specified index to the specified length. |
|
public string ToLower() |
Converts a string to lowercase. |
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public string ToUpper() |
Converts a string to uppercase. |
|
public string Trim() |
Removes all leading and trailing white-space characters |
