1. How to make object thread-safe? 2. Create an Immutable class. 3. Which Garbage collection algorithm is used in Java. 4. print the left view of the Binary tree 5. working of Circuiter breaker design pattern. 6. Question on JWT token 7. Create Thread-safe singleton class .

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Technical interview questions for Associate Staff Engineer position

To make an object thread-safe, use synchronization or use thread-safe data structures
Immutable class is a class whose state cannot be modified after creation
Java uses a mark-and-sweep algorithm for garbage collection
To print the left view of a binary tree, perform a level order traversal and print the first node at each level
Circuit breaker design pattern is used to prevent cascading failures in distributed systems
JWT token is a JSON web token used for authentication and authorization
To create a thread-safe singleton class, use double-checked locking or use an enum

1. How to make object thread-safe? 2. Create an Immutable class. 3. Which Garbage collection algorithm is used in Java. 4. print the left view of the Binary tree 5. working of Circuiter breaker design pattern. 6. Question on JWT token 7. Create Thread-safe singleton class .

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