To check if a Substring is present in a Circular String in java.Can anyone help me to solve?

Question

Eg.Breeze(consider as circular string)
Substring to check 1.eez(ans->true) 2.rez(false)
3.ebr(true)

Answer 1

The simplest way would probably be to concatenate the word with itself and then search for the substring.

Answer 2

Is there's no other way like without using String Functions.?

Answer 3

Thanks for the help

Answer 4

String class has method contains() that can be used to check character sequence in a string..
Ex:
"Breeze".contains("eez") ; //returns true

edit:
for circularly, yes. add word+word then apply substring....

Answer 5

I don't understand without using string functions means? Do you want find your own way.. Or any other functions?

for formar way:
You can use a loop
and search linearly for substring is in main string like
Breeze is ebr => I=0 to string length, search for char e,then with another inner loop find next 3 letters, if match stop else continue outer loop.
start from e ,position find e, next is out of length , repeat from start index.

Or for any other function, string has "string".indexof("substring") ; returns index of substring if match, else return -1. For circular passion, use string+string. Else you can find other way by using of loop easily...

You can also use regex search advancely..
Hope it helps...