Peel-works Interview Questions, Process, and Tips

In my previous assignments, I have worked as a Business Development Manager for various companies, where I was responsible for identifying new business opportunities and developing strategies to increase revenue.

• Developed and implemented successful sales strategies to increase revenue by 30% in my previous company

• Identified new business opportunities and established partnerships with key clients

• Conducted market researc...read more

HashMap is a data structure that stores key-value pairs and uses hashing to retrieve values.

• HashMap uses an array of linked lists to store key-value pairs

• The hash code of the key is used to determine the index of the array

• If multiple keys have the same hash code, they are stored in the same linked list

• HashMap uses load factor to determine when to resize the array

• The default load factor is 0.75

• HashMap allows null keys a

HashMap is a key-value pair collection while HashSet is a set of unique elements.

• HashMap allows duplicate values but not duplicate keys

• HashSet does not allow duplicate values

• HashMap implements Map interface while HashSet implements Set interface

• HashMap uses put() method to add elements while HashSet uses add() method

• Example: HashMap map = new HashMap<>(); HashSet set = new HashSet<>();