Answer:
cience
Explanation:
From the question, the string variable str was initialized to "Computer Science:
str.substring(10) implies that we get a substring starting from the character at the 10th index till the last index
In this case, the 10th index character is c
So, the instruction will return cience
It depends on the school. At my school anyone can be in robotics club.
Perfect attendance and a salary
Answer:
First we understand what is hash function.A hash function is mostly used in Hashmaps. It maps different keys to a set of values.There may occur a case when we have same key but different values.This case is called collision.So we have to use different collision handling techniques that are open addressing and separate chaining.
A perfect hash function maps key-value pair such that there are no collisions.