Zeta Intern Interview Questions and Answers

Find the minimum element in an array of strings

• Iterate through the array and compare each element to find the minimum

• Use built-in functions like Math.min() or sort() to find the minimum

• Handle edge cases like empty array or array with only one element

Reverse a linked list by changing the next pointers of each node

• Iterate through the linked list and change the next pointers to reverse the list

• Use three pointers - prev, current, and next to keep track of nodes

• Example: 1 -> 2 -> 3 -> 4 -> null, after reversing: 4 -> 3 -> 2 -> 1 -> null

Design and optimize a hashmap

• Choose a good hash function to minimize collisions

• Implement dynamic resizing to handle increasing load factor

• Consider using open addressing or separate chaining for collision resolution

• Use an efficient data structure for storing key-value pairs, such as an array or linked list

Custom recyclerview with appropriate data structures

• Create a custom adapter extending RecyclerView.Adapter

• Implement onCreateViewHolder() and onBindViewHolder() methods

• Use appropriate data structures like ArrayList or HashMap for efficient data handling

• Implement onClickListener for item clicks

• Use ViewHolder pattern for efficient view recycling

I expect fair compensation for my skills and experience, and a challenging work environment that allows for growth and learning.

• I am looking for a salary that is commensurate with my experience and skills.

• I am open to negotiation and willing to discuss salary and benefits.

• I am looking for a challenging work environment that allows me to learn and grow as a software engineer.

• I am interested in opportunities for professi...read more