XYZ Software Software Developer Interview Questions and Answers

Got question related to logical reasoning

Q1. Struct vs enumerations
Ans. 
Structs are used to define a data structure with multiple fields, while enumerations are used to define a set of named constants.
• Structs are used to group related data together, while enumerations are used to define a set of named constants.

• Structs can have multiple fields of different data types, while enumerations can only have a fixed set of named values.

• Example: struct Person { string name; int age; } vs enum Days
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Q2. Paging in Operating systems
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Paging in operating systems is a memory management scheme that allows the operating system to use disk space as an extension of RAM.
• Paging divides physical memory into fixed-size blocks called pages.

• Virtual memory is divided into fixed-size blocks called frames.

• The operating system keeps track of which pages are in RAM and which are on disk using a page table.

• When a process needs a page that is not in RAM, a page fault...read more
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Q1. Salary expectations
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Q1. Introduction self
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Q1. Internal working of Hash Map
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Hash Map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
• Hash Map uses a hash function to determine the index of the key-value pair in the underlying array.

• Collisions can occur when multiple keys hash to the same index, which can be resolved using techniques like chaining or open addressing.

• Hash Map typically has a load factor threshold to determine whe...read more
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Comprehensive questions

Java strings programs

It went well. Easy questions were asked

We have to first explain how we are planning to solve the problem and can start coding

Q1. Multi threading
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Q2. Algorithms in data structures
Ans. 
Algorithms in data structures are essential for efficient data manipulation and retrieval.
• Algorithms in data structures help in organizing and managing data effectively.

• Examples include sorting algorithms like quicksort and searching algorithms like binary search.

• Understanding algorithms in data structures is crucial for optimizing performance in software development.
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Q1. Core java basic details
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Q2. Everything related to basic core java
Ans. Learn deeply into basic core java concepts
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