How substring method work in Java?

Question

Write a function which can find the maximum number of vowels out of all the sub-strings which could be formed out of the provided string.

Input:

Maximum length of sub-string: 5
Main String : jondoejumpoverfenceandrun

Output: 3

Answer 1

this is predefined method in java that has two parts :

beginIndex -- the begin index, inclusive.

endIndex -- the end index, exclusive

returns a new string that is a substring of this string. The substring begins with the character at the specified index and extends to the end of this string or up to endIndex - 1 if second argument is given.

ex:
public String substring(int beginIndex)