ivy Senior Software Developer Interview Questions, Process, and Tips

2 questions on hackerrank array n string related

Q1. Design custom hashmap
Ans. 
Custom hashmap design involves creating a data structure that maps keys to values for efficient retrieval.
• Use an array of linked lists to handle collisions

• Implement methods for adding, removing, and retrieving key-value pairs

• Consider resizing the hashmap when it reaches a certain load factor
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Q2. System design of current project
Ans. 
The system design of the current project involves a microservices architecture with containerization using Docker and orchestration with Kubernetes.
• Utilizing microservices architecture for scalability and maintainability

• Containerizing applications with Docker for portability and consistency

• Orchestrating containers with Kubernetes for automated deployment and scaling
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Q1. Cloning in java
Ans. 
Cloning in Java refers to creating an exact copy of an object.
• Use the clone() method to create a shallow copy of an object.

• For deep cloning, implement the Cloneable interface and override the clone() method.

• Cloning can be used to create independent copies of objects.
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Q2. Deadlock on threads
Ans. 
Deadlock on threads occurs when two or more threads are waiting for each other to release resources, causing a standstill.
• Deadlock happens when two or more threads are blocked forever, waiting for each other to release resources.

• Prevention methods include avoiding circular wait, ensuring a fixed order of resource acquisition, and using timeouts.

• Detection methods include analyzing thread dumps, using tools like jstack o...read more
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Q3. Exception handling
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