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4,347 principal engineer interview questions shared by candidates

Tell about different design patterns. Implement factory design pattern in java. Explain where in your project you are using any design pattern Create a linked list program and remove the number of duplicate nodes and sort the linked list and print it. Tell about ConcurrentHashMap What is the difference between HashMap and ConcurrentHashMap Have you worked with Executors
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Principal Software Engineer

Interviewed at Pegasystems

3.7★
Aug 4, 2018

Tell about different design patterns. Implement factory design pattern in java. Explain where in your project you are using any design pattern Create a linked list program and remove the number of duplicate nodes and sort the linked list and print it. Tell about ConcurrentHashMap What is the difference between HashMap and ConcurrentHashMap Have you worked with Executors

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