Answer:
When the element is not found we return -1.
Explanation:
When we use binary search we use BinarySearch() method of an array or list type when the element is found we return the index of the element if found if the element is not found we return -1.
We can decode this value since it is less than 0 and the indexing of arrays and lists starts with 0 upto the size-1.So -1 index is not present in the array or list.We have to check if the index is < 0 then the element is not present in the array or list.
for ex:-
if(index<0)
{
System.out.println("Element is not present in the array");
}
Answer:
Explanation:
Mysql is an open source database management system written in C and C++ language used to store, retrieve or modify a database. Mysql is used as a web database. Mysql can be combined with other programs so as to provide relational database capabilities as well as its implementation.
% matches any number of characters as well as zero characters while _ matches exactly one character.
Answer:
Webmail allows the users to access their emails as long as they have access to an Internet connection and a web browser. This also means that the user cannot read an old email or draft a new email offline.
