HSBC Group Software Engineer Trainee Interview Questions and Answers

90min test, questions from oops, http, css, java, analtical ability

1 easy 1 med, 1 easy enuf to pass

Q1. Can you tell me about yourself?
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Q2. Questions related to resume and one coding question(Linked List)
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Q3. Questions related to OOPS
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General aptitude questions

Q1. Project discussion, detailed
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Q2. Coding question on strings
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Q1. Why this company, how do you handle conflict in team members. Which is your desired location, Pune or Hyderabad
Ans. 
I admire this company's innovation and culture, and I handle conflicts by promoting open communication and collaboration.
• I chose this company for its commitment to cutting-edge technology and a collaborative work environment.

• In handling conflicts, I encourage team members to express their viewpoints openly, fostering a culture of respect.

• For example, in a previous project, I mediated a disagreement between two develope...read more
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1 Reverse a link list
2. Simple mathematical Problem

Q1. SQl, ML, AI Questions including java
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Q2. SQL, ML, AI related questions including some core java questions
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Round duration - 90 minutes
Round difficulty - Medium

2 programming questions, MCQs based on OS, DBMS, OOPS and web fundamentals

Q1. 
Search in a 2D Matrix
Given a 2D matrix MAT of size M x N, where M and N represent the number of rows and columns respectively. Each row is sorted in non-decreasing order, and the first element of each ro...read more
Ans. 
Implement a function to search for a target integer in a 2D matrix with sorted rows.
• Iterate through each row of the matrix and perform a binary search on each row to find the target integer.

• Start the binary search by considering the entire row as a sorted array.

• If the target is found in any row, return 'TRUE'; otherwise, return 'FALSE'.
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Q2. 
Reverse Linked List Problem Statement
Given a Singly Linked List of integers, your task is to reverse the Linked List by altering the links between the nodes.
Input:
The first line of input is an intege...read more
Ans. 
Reverse a singly linked list by altering the links between nodes.
• Iterate through the linked list and reverse the links between nodes.

• Keep track of the previous, current, and next nodes while reversing the links.

• Update the head of the linked list to the last node after reversal.
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Round duration - 40 minutes
Round difficulty - Easy

This round had 2 coding questions and some basic questions revolving around OOPs

Q1. 
Palindromic Linked List Problem Statement
Given a singly linked list of integers, determine if it is a palindrome. Return true if it is a palindrome, otherwise return false.
Example:
Input:
1 -> 2 -...read more
Ans. 
Check if a given singly linked list of integers is a palindrome or not.
• Traverse the linked list to find the middle element using slow and fast pointers.

• Reverse the second half of the linked list.

• Compare the first half with the reversed second half to determine if it is a palindrome.

• Example: Input: 1 -> 2 -> 3 -> 2 -> 1 -> NULL, Output: true
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Q2. 
Maximum Level Sum in a Binary Tree
Given a Binary Tree with integer nodes, determine the maximum level sum among all the levels in the tree. The sum for a level is defined as the sum of all node values pr...read more
Ans. 
Find the maximum level sum in a binary tree by calculating the sum of nodes at each level.
• Traverse the binary tree level by level and calculate the sum of nodes at each level.

• Keep track of the maximum level sum encountered so far.

• Return the maximum level sum as the final result.
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Q3. How is an abstract class different from an interface?
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have method implementations, while interface cannot.

• A class can implement multiple interfaces, but can only inherit from one abstract class.

• Interfaces are used to define contracts for classes to implement, while abstract classes are used to provide a common base for subclasses.

• Example: Abstr...read more
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Q4. What is the difference between overloading and overriding?
Ans. 
Overloading is having multiple methods in the same class with the same name but different parameters. Overriding is implementing a method in a subclass that is already present in the superclass.
• Overloading involves multiple methods with the same name but different parameters

• Overriding involves implementing a method in a subclass that is already present in the superclass

• Overloading is determined at compile time, while o...read more
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Q5. What is meant by static polymorphism?
Ans. 
Static polymorphism refers to the mechanism where the method to be called is determined at compile time.
• Method overloading is an example of static polymorphism where the method to be called is resolved at compile time based on the method signature.

• Compile-time polymorphism is another term for static polymorphism.

• Static polymorphism is achieved through function overloading and operator overloading.
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Round duration - 30 minutes
Round difficulty - Easy

Was conducted a couple of hours after the previous Tech round. The round was a HR one, behavioral questions and discussion around my hobbies :)

Based on intermediate Data structures

Q1. Based on your resume
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Q1. Check your communication level
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