Digital Cues Software Developer Interview Questions and Answers

Q1. Hash map implementation
Ans. 
Hash map is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• Hash map uses a hash function to map keys to indices in an array.

• Collision handling is important in hash map implementation.

• Common operations include adding, removing, and retrieving key-value pairs.

• Example: HashMap map = new HashMap<>();
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Q2. About software development models
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Medium level question are asked

Q1. Given a array and asked sum
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Q1. Read java oops and basiscs of spring well, and if you had done thesis there can be questions on that
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Q2. Lambda expressions
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Q3. Stream filtering
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Q1. Why are you looking for job change
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Q1. Oops related questions
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Q2. How you can handle exceptions in case of inheritance
Ans. 
Exceptions in inheritance can be handled by using try-catch blocks in the derived class.
• Use try-catch blocks in the derived class to catch exceptions thrown by the base class methods.

• Handle exceptions specific to the derived class in the catch block.

• Consider using super() to call the base class constructor within the try block.

• Avoid catching general exceptions unless necessary to maintain code clarity.

• Ensure proper exc...read more
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Q3. Collections questions
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Q4. Live coding based on the answers you give
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Q5. Your current project and how you handled difficulties in that
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Q1. Core java and SQL,HTMl,css,, communication
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Q2. First communion mainly
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Q3. Technicalquestions
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Q4. Coding bases,web technology bases
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Q5. Formal question,and bases questions
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Q1. What is the inheritance?
Ans. 
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and helps in creating a hierarchy of classes

• Derived class can access the properties and methods of the base class

• Example: Class 'Car' can inherit from class 'Vehicle' to reuse common attributes like 'color
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Q1. Linked list , stack , queue
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Profit loss, blood relation, coding decoding, logical reasoning

2 automata code
1) Array based
2)String based

Q1. Totally asked CS fundamentals like DBMS, OS, CN and OOPM then solved 1 DSA question which is related to string
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Q1. Just ask only behavioural questions
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