LTIMindtree Interview Questions, Process, and Tips

Q1. Print all even numbers in an array exactly like this -> {2,4,6}. Without even concatenating the curly braces.
Ans. 
Print even numbers in array without curly braces.
• Iterate through array and check if each element is even.

• If element is even, add it to a new array of strings.

• Join the elements of new array with commas to form final output.
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Q2. Difference between Abstract and Interface classes
Ans. 
Abstract classes can have both abstract and non-abstract methods, while interfaces can only have abstract methods.
• Abstract classes can have constructors, fields, and methods with implementation.

• Interfaces can only have abstract methods and constants.

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

• Abstract classes are used to define a common behavior for subclasses, while interface...read more
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Q3. Input String -> "My name is so and so", Output -> "{My-name-is-so-and-so}"
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Q4. Git commands you have used, and how to handle merge conflict?
Ans. 
Git commands used and handling merge conflicts
• Git commands used: git clone, git pull, git push, git add, git commit, git merge, git rebase

• To handle merge conflict: git status to see conflicted files, git diff to see the differences, manually resolve conflicts in the files, git add the resolved files, git commit the changes
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Q1. Salesforce related questions and coding scenarios
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Q1. Salesforce related interview questions and scenario based questions
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Q1. Promise in JavaScript
Ans. 
Promises in JavaScript are objects representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations in JavaScript.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() method to handle success and failure.

• Example: const myPromise = new Promise((resolve, reject) => { ... });
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Q2. Difference between Transient, Scoped and Singleton
Ans. 
Transient, Scoped, and Singleton are different types of dependency injection lifetimes in software engineering.
• Transient: New instance is created every time it is requested. Suitable for lightweight objects with no shared state.

• Scoped: Instance is created once per request within the scope. Suitable for objects that are shared within a single request.

• Singleton: Single instance is created and shared throughout the applic...read more
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Q1. Everything about JWT Token
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Q2. Related to Azure Function
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Q1. Tell me about your self
Ans. 
I am a dedicated software engineer with a passion for problem-solving and creating innovative solutions.
• Experienced in multiple programming languages such as Java, Python, and C++

• Strong background in software development methodologies like Agile and Scrum

• Skilled in database management and cloud computing technologies

• Have worked on projects involving machine learning and artificial intelligence
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Q2. Salary Expectation
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Q1. Tell me about yourself
Ans. 
Experienced Senior Test Engineer with a strong background in software testing and quality assurance.
• Over 8 years of experience in testing web and mobile applications

• Proficient in test planning, execution, and automation using tools like Selenium and JIRA

• Skilled in identifying and documenting defects, and working closely with development teams to resolve issues

• Strong analytical and problem-solving skills, with a keen at
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Q2. Project details
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Q1. What is Salesforce ?
Ans. 
Salesforce is a cloud-based customer relationship management (CRM) platform that helps businesses manage their sales, customer service, marketing, and more.
• Cloud-based CRM platform

• Helps businesses manage sales, customer service, marketing, etc.

• Provides tools for automation, analytics, and integration

• Offers a wide range of apps and services for various business needs
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Q2. Salesforce CRM
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Q1. Difference Between Workflow and process builder
Ans. 
Workflow is a declarative automation tool for automating standard processes, while Process Builder is a visual tool for automating business processes.
• Workflow is based on criteria and actions, while Process Builder uses a visual interface with point-and-click functionality.

• Workflow can only perform actions on the same object, while Process Builder can work across multiple objects.

• Workflow can only update fields on the ...read more
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Q2. What is automation process in salesforce
Ans. 
Automation process in Salesforce involves using tools like Salesforce Automation, Process Builder, and Apex triggers to automate repetitive tasks and streamline workflows.
• Salesforce Automation allows users to create rules and triggers to automate tasks like sending emails, updating records, and creating tasks.

• Process Builder is a visual tool that allows users to automate business processes by creating workflows with po...read more
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It is all about reasoning, problem solving

Q1. Write a java program to swap two numbers without using third number
Ans. 
Swapping two numbers without using a third number in Java
• Create a temporary variable and use bitwise XOR operation to swap the numbers

• Example: int a = 5, b = 10; a = a ^ b; b = a ^ b; a = a ^ b; // Now a = 10, b = 5
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Q2. Explain briefly about oops
Ans. 
Object-oriented programming paradigm that focuses on objects and classes for code organization and reusability.
• OOP is based on the concept of objects, which can contain data in the form of fields (attributes) and code in the form of procedures (methods).

• Classes are blueprints for creating objects, defining their structure and behavior.

• Encapsulation allows bundling data and methods that operate on the data within a sing...read more
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Q1. What is the word count problem, and how can it be solved using Java 8 streams and the collect method?
Ans. 
The word count problem involves counting the frequency of words in a given text.
• Use Java 8 streams to split the text into words, map each word to a key-value pair with word as key and count as value, and then collect the results using groupingBy and counting collectors.

• Example: Stream.of(text.split("\\s+")).collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));
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Q2. What are Spring Boot annotations and how do they relate to object scopes?
Ans. 
Spring Boot annotations are used to simplify the development process by providing metadata to the Spring framework.
• Annotations like @Component, @Service, @Repository are used to define object scopes in Spring Boot.

• Annotations like @Scope can be used to specify the scope of a bean, such as singleton or prototype.

• Annotations like @RequestScope, @SessionScope are used to define object scopes based on HTTP request or sessi...read more
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