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20+ Honda Motorcycle & Scooter Interview Questions and Answers

Updated 24 Aug 2024
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Q1. Reverse Linked List Problem Statement

Given a singly linked list of integers, return the head of the reversed linked list.

Example:

Initial linked list: 1 -> 2 -> 3 -> 4 -> NULL
Reversed linked list: 4 -> 3 -> 2...read more
Ans.

Reverse a singly linked list of integers and return the head of the reversed linked list.

  • Iterate through the linked list and reverse the pointers to point to the previous node instead of the next node.

  • Use three pointers to keep track of the current, previous, and next nodes while reversing the linked list.

  • Update the head of the reversed linked list as the last node encountered during the reversal process.

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Q2. How many types of memory areas are allocated by the JVM?
Ans.

JVM allocates 5 types of memory areas: Heap, Stack, Method Area, PC Register, and Native Method Stack.

  • Heap is used for storing objects and is shared among all threads.

  • Stack is used for storing method calls and local variables, each thread has its own stack.

  • Method Area stores class structures, method data, and static variables.

  • PC Register stores the address of the currently executing instruction.

  • Native Method Stack is used for native method calls.

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Q3. What are the basic annotations that Spring Boot offers?
Ans.

Spring Boot offers basic annotations like @SpringBootApplication, @RestController, @Autowired, @RequestMapping, @ComponentScan.

  • @SpringBootApplication - Used to mark the main class of a Spring Boot application.

  • @RestController - Used to define RESTful web services.

  • @Autowired - Used for automatic dependency injection.

  • @RequestMapping - Used to map web requests to specific handler methods.

  • @ComponentScan - Used to specify the base packages to scan for Spring components.

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Q4. Can you differentiate between ArrayList and Vector in Java?
Ans.

ArrayList is non-synchronized and Vector is synchronized in Java.

  • ArrayList is not synchronized, while Vector is synchronized.

  • ArrayList is faster than Vector as it is not synchronized.

  • Vector is thread-safe, while ArrayList is not.

  • Example: ArrayList<String> list = new ArrayList<>(); Vector<String> vector = new Vector<>();

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Q5. What is the starter dependency of the Spring Boot module?
Ans.

The starter dependency of the Spring Boot module is spring-boot-starter-parent.

  • The starter dependency provides a set of default configurations and dependencies for Spring Boot applications.

  • It helps in reducing the amount of boilerplate code needed to set up a Spring Boot project.

  • The spring-boot-starter-parent is typically used as the parent project in a Spring Boot application's pom.xml file.

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Q6. What are the different types of waits available in Selenium WebDriver?
Ans.

Different types of waits in Selenium WebDriver include Implicit Wait, Explicit Wait, and Fluent Wait.

  • Implicit Wait: Waits for a certain amount of time before throwing a NoSuchElementException.

  • Explicit Wait: Waits for a certain condition to occur before proceeding further in the code.

  • Fluent Wait: Waits for a condition to be true with a specified polling frequency and timeout.

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Q7. What is the difference between HashSet and HashMap in Java?
Ans.

HashSet is a collection of unique elements, while HashMap is a key-value pair collection.

  • HashSet does not allow duplicate elements, while HashMap allows duplicate values but not duplicate keys.

  • HashSet uses a hash table to store elements, while HashMap uses key-value pairs to store data.

  • Example: HashSet<String> set = new HashSet<>(); HashMap<String, Integer> map = new HashMap<>();

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Q8. Can you explain the @RestController annotation in Spring Boot?
Ans.

The @RestController annotation in Spring Boot is used to define a class as a RESTful controller.

  • It is a specialized version of the @Controller annotation that is used to create RESTful web services.

  • It eliminates the need for annotating each method with @ResponseBody as it combines @Controller and @ResponseBody annotations.

  • It is typically used to build RESTful web services that return JSON or XML data.

  • Example: @RestController public class UserController { @GetMapping("/users")...read more

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Q9. What does the @SpringBootApplication annotation do internally?
Ans.

The @SpringBootApplication annotation is used to mark the main class of a Spring Boot application.

  • Combines @Configuration, @EnableAutoConfiguration, and @ComponentScan annotations

  • Enables the application to start with a main method

  • Automatically scans for Spring components in the package and sub-packages

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Q10. How does ConcurrentHashMap work in Java?
Ans.

ConcurrentHashMap is a thread-safe implementation of the Map interface in Java.

  • ConcurrentHashMap allows multiple threads to read and write to the map concurrently without causing any inconsistencies.

  • It achieves thread-safety by dividing the map into segments, each of which can be locked independently.

  • ConcurrentHashMap uses a technique called lock striping to minimize contention and improve performance.

  • It does not throw ConcurrentModificationException during iteration as it wo...read more

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Q11. Create a regular expression accepting 10-digit numeric characters starting with 1, 2, or 3.

Ans.

Regular expression for 10-digit numeric characters starting with 1, 2, or 3.

  • Use the pattern ^[1-3]\d{9}$ to match the criteria

  • The ^ symbol denotes the start of the string

  • The [1-3] specifies that the first digit must be 1, 2, or 3

  • \d{9} matches exactly 9 numeric digits

  • $ indicates the end of the string

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Q12. What do you mean by data encapsulation?
Ans.

Data encapsulation is the concept of bundling data with the methods that operate on that data within a class.

  • Data encapsulation restricts access to certain components of an object, protecting the data from external interference.

  • It allows for better control over the data by hiding the implementation details and only exposing necessary information through methods.

  • Encapsulation helps in achieving data abstraction, where the internal representation of an object is hidden from the...read more

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Q13. what is a join in SQL? What are the types of joins?

Ans.

A join in SQL is used to combine rows from two or more tables based on a related column between them.

  • Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

  • INNER JOIN returns rows when there is at least one match in both tables.

  • LEFT JOIN returns all rows from the left table and the matched rows from the right table.

  • RIGHT JOIN returns all rows from the right table and the matched rows from the left table.

  • FULL JOIN returns rows when there is a match in one of t...read more

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Q14. Can static methods be overridden?
Ans.

No, static methods cannot be overridden in Java.

  • Static methods belong to the class itself, not to any specific instance of the class.

  • Subclasses can define static methods with the same signature as the parent class, but it is not considered overriding.

  • Example: Parent class has a static method 'display()', and subclass also has a static method 'display()'. These are two separate methods, not overriding each other.

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Q15. Explain the difference between findElement() and findElements() in Selenium.
Ans.

findElement() returns the first matching element on the web page, while findElements() returns a list of all matching elements.

  • findElement() returns a single WebElement matching the locator provided.

  • findElements() returns a list of WebElements matching the locator provided.

  • If no elements are found, findElement() will throw a NoSuchElementException, while findElements() will return an empty list.

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Q16. What do you mean by OOPS?

Ans.

OOPS stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.

  • OOPS focuses on creating objects that contain data in the form of fields (attributes) and code in the form of procedures (methods).

  • Encapsulation, inheritance, and polymorphism are key principles of OOPS.

  • Encapsulation refers to the bundling of data and methods that operate on the data into a single unit (object).

  • Inheritance allows a class to inherit properties and b...read more

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Q17. What is dependency injection?
Ans.

Dependency injection is a design pattern where components are given their dependencies rather than creating them internally.

  • Allows for easier testing by providing mock dependencies

  • Promotes loose coupling between components

  • Improves code reusability and maintainability

  • Examples: Constructor injection, Setter injection, Interface injection

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Q18. what are the basic SQL skills?

Ans.

Basic SQL skills include querying databases, manipulating data, and understanding database structures.

  • Writing basic SQL queries to retrieve data from databases

  • Understanding and using SQL functions and operators

  • Creating and modifying database tables and relationships

  • Using SQL to filter, sort, and group data

  • Understanding basic SQL syntax and commands

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Q19. Sql plsql data strucntire and differences

Ans.

SQL is a language used to manage and query databases, PL/SQL is an extension that adds procedural programming capabilities.

  • SQL is used for querying and manipulating data in databases.

  • PL/SQL is a procedural language extension for SQL, allowing for more complex logic and programming capabilities.

  • Data structures in SQL refer to the way data is organized and stored in tables.

  • PL/SQL allows for the creation of custom data structures using variables, arrays, and records.

  • Differences ...read more

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Q20. Convert Hours into Seconds.

Ans.

To convert hours into seconds, multiply the number of hours by 3600.

  • Multiply the number of hours by 3600 to get the equivalent seconds.

  • For example, 2 hours = 2 * 3600 = 7200 seconds.

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Q21. What language you haveused

Ans.

I have used a variety of programming languages including Java, Python, C++, and JavaScript.

  • Java

  • Python

  • C++

  • JavaScript

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Q22. What is sql and plsql?

Ans.

SQL is a language used for managing and querying databases, while PL/SQL is an extension of SQL used for procedural programming.

  • SQL stands for Structured Query Language and is used for managing and querying relational databases.

  • PL/SQL stands for Procedural Language/SQL and is an extension of SQL that adds procedural programming capabilities.

  • SQL is used to retrieve and manipulate data in databases using queries like SELECT, INSERT, UPDATE, DELETE.

  • PL/SQL allows for the creation...read more

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Q23. difference beyween fporms and reports

Ans.

Forms are used to input data while reports are used to display data.

  • Forms are used to collect and input data into a system.

  • Reports are used to display and present data in a structured format.

  • Forms are interactive and allow users to input data, while reports are static and provide information based on the data entered.

  • Examples: A registration form on a website vs. a sales report generated from a database.

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Q24. Explain about Spring MVC architecture

Ans.

Spring MVC is a framework for building web applications in Java, following the Model-View-Controller design pattern.

  • Spring MVC follows the Model-View-Controller design pattern, where the model represents the data, the view represents the UI, and the controller handles the user input.

  • It provides components like DispatcherServlet, Controller, Model, and ViewResolver to handle requests and responses.

  • It supports the use of annotations like @Controller, @RequestMapping, and @Model...read more

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Q25. Explain about Java Collections framework

Ans.

Java Collections framework is a set of classes and interfaces that provide various data structures and algorithms to store and manipulate collections of objects.

  • Provides interfaces (List, Set, Map) and classes (ArrayList, HashSet, HashMap) for storing and manipulating collections of objects

  • Includes utility classes like Collections for sorting, searching, and other operations on collections

  • Supports generics to ensure type safety and reduce the need for explicit type casting

  • Off...read more

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Interview Process at Honda Motorcycle & Scooter

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3 Interview rounds
Technical Round - 1
Technical Round - 2
HR Round
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