HSBC Software Development 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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Includes basic concepts of computer networks, computer architecture and technical MCQ questions. First round also includes 3 coding questions of easy level. Those who solved 2 coding questions got selected for next round.

Q1. Question from oops concept, c++ and JAVA were asked.
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Q2. Questions data structures like how to reverse a linked list were asked.
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Q3. Explain packages in java
Ans. 
Packages in Java are used to organize classes and interfaces into namespaces for better code organization and reusability.
• Packages help in avoiding naming conflicts by grouping related classes together.

• Packages can be nested within each other to create a hierarchical structure.

• Packages are declared using the 'package' keyword at the beginning of a Java file.

• Example: 'package com.example.myapp;' declares a package named
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Q4. Explain the use of public static void main
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The public static void main method is the entry point of a Java program.
• It is a mandatory method in Java programs, as it is the starting point of execution.

• The 'public' keyword allows the main method to be accessed from outside the class.

• The 'static' keyword allows the main method to be called without creating an instance of the class.

• The 'void' keyword indicates that the main method does not return any value.

• The 'main...read more
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Q1. Questions about the awards and certification i mentioned in my resume
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Q2. Common HR questions like location....salary......why tata elxsi ect..
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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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