Huawei Technologies Software Engineer Intern Interview Questions and Answers

Q1. OOPS concepts in java
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Q2. What the interface
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Q3. What is advantageof java
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Q4. What is differentjava and xlc++
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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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Waste test I do not why they are taking this

Q1. Waste interview I do not why they are taking this
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Q1. I do not why they are taking full of waste
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Q1. Computer networks, coding questions, Resume
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Q1. Covered max all javascript topics
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They provided the UI design to implement in javascript with required functionalities

Q1. Package discussion
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Questions were asked

Dsa dp, graphs and many more questions from arrays and linked list were asked

Overivew of the previous company project, and question about the system design ex LRUCache system and IRCTC DB design

2nd Round -
Basic Interview, Mostly system Design Question.

Normal aptitude questions

Coding MCQ's like code snippets and find the output

Q1. Technical with two coding questions
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Q2. Linked list question
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