Ericsson Senior Software Engineer Interview Questions and Answers

Q1. Find nth elements from last in linked list
Ans. 
Use two pointers to find the nth element from the end of a linked list.
• Use two pointers, one moving n steps ahead of the other

• When the first pointer reaches the end, the second pointer will be at the nth element from the end
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Q2. Difference between hashmap and concurrent hashmap
Ans. 
HashMap is not thread-safe while ConcurrentHashMap is thread-safe and allows concurrent access.
• HashMap is not thread-safe and can lead to ConcurrentModificationException if accessed by multiple threads simultaneously.

• ConcurrentHashMap allows concurrent access by multiple threads without the need for external synchronization.

• ConcurrentHashMap achieves thread-safety by dividing the map into segments, allowing multiple th...read more
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Coding test data structures and language related

Q1. Related to resume technology
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Simple question from python list operations

Q1. With Manager regarding what is job about.
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Q2. What you did in your last project
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Q1. Project owner about what you are going to do.
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Q1. Easy and fast going process
Ans. 
Easy and fast going process
• Define clear goals and objectives

• Streamline communication channels

• Implement agile methodologies

• Automate repetitive tasks

• Regularly review and optimize processes
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