Java Strings Homework Help
Java Strings
The sequence of characters is called strings. In java provides strings as a class to manipulating functions.
Creating strings:
String s1=”hai”;
String length:
The length method is used to find the length of the particular string.
Example:
Output:
String Length is : 15
Concatenating strings:
It is used to concatenate the two strings.
Example:
Output:
my name is mani
String methods:
There are many methods are available for manipulating strings using string class.
1. Char charAt(int i) – return ith index character
“welcome”.charAt(4); result c
2. String substring (int i) – return substring from ith index
“welcome”.substring(5); result me
3. String substring (int I, int j) – return substring from ith index to jth index
“welcome”.substring(2,5); result lco
4. Int indexOf(string s) – return index of string first occurrence
String s =” my name is mani”
Int o= s.indexOf(“mani”); result 11
5. Int lastindexOf(string s) – return index of string last occurrence
String s =” my name is mani”
Int o= s.indexOf(“n”); result 13
Like that many string methods are available in java.
