Hexaware Technologies Full Stack Software Developer Interview Questions and Answers

Some difficulty is there but on hard work u can crack

It's a technical round

Q1. Why this company
Ans. 
I am impressed by the company's innovative projects, strong team culture, and commitment to employee growth.
• Innovative projects such as developing cutting-edge software solutions for healthcare industry

• Strong team culture focused on collaboration and continuous learning

• Commitment to employee growth through training programs and career development opportunities
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Q2. What are your strengths
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My strengths include problem-solving skills, adaptability, and strong technical knowledge.
• Strong problem-solving skills - I enjoy tackling complex issues and finding creative solutions.

• Adaptability - I am able to quickly learn new technologies and adapt to changing project requirements.

• Strong technical knowledge - I have a solid understanding of various programming languages and frameworks.
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For a fresher there will be aptitude interview

Q1. There will be technical questions in the round 2
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Q2. 1.What is jvm jre and jdk 2.what is null and its value 3.what is pass by reference 4.what is regular expression
Ans. 
1. JVM is a virtual machine that executes Java bytecode. JRE is a runtime environment that includes JVM and libraries. JDK is a development kit that includes JRE and tools for developing Java applications. 2. Null is a special value that represents the absence of a value. Its value is typically used to indicate that a variable does not refer to any object. 3. Pass by reference is a method of parameter passing where the...read more
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Data structure Hash Map problem and java 8 code

Coding singlton code and immutable code hashcode equals java 8 code data structure spring boot microservicis

Q1. How was your project info details
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Q2. What about your qualifications
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Q1. What is Dependency injection
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Q2. What is middleware
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Q1. Project based questions
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Q1. Salaru neogiation
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Q1. Hibernate internal working
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Q2. Group BY in DBMS
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1. Find longest repeating character from back.
2. Find all non-duplicates in an array and return in sorted manner.

Q1. Suppose we have more 2 interfaces with the same default method. What will happen when we try to implment both the interfaces in the same class.?
Ans. 
The class will have to provide its own implementation of the conflicting default method.
• When implementing multiple interfaces with the same default method, a class must provide its own implementation of the conflicting method.

• The class cannot inherit the default implementation from both interfaces.

• The class can choose to implement one of the default methods and provide its own implementation for the other.

• Alternatively...read more
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Q2. Terminal vs Intermediate Operations in streams
Ans. 
Terminal operations in streams produce a result or a side effect, while intermediate operations transform or filter the data.
• Terminal operations are the final operations in a stream pipeline, such as forEach, collect, or reduce.

• Intermediate operations are operations that can be chained together, such as filter, map, or sorted.

• Terminal operations trigger the processing of the stream and produce a result or a side effect...read more
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Q3. Try vs try-with-resources
Ans. 
try vs try-with-resources
• The 'try' statement is used to define a block of code to be tested for exceptions.

• The 'try-with-resources' statement is used to automatically close resources that implement the AutoCloseable interface.

• Try-with-resources is more concise and less error-prone compared to try-catch-finally.

• Try-with-resources can handle multiple resources in a single statement.
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Q4. Iterator vs ListIterator
Ans. 
Iterator is a universal interface for iterating over a collection, while ListIterator is a specialized interface for iterating over lists.
• Iterator can only move forward, while ListIterator can move in both directions.

• ListIterator has additional methods like previous(), hasPrevious(), and add().

• ListIterator is only available for List implementations, while Iterator can be used with any collection.
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Q5. What are projections in Spring Data JPA?
Ans. 
Projections in Spring Data JPA allow customizing the shape of the data returned from a query.
• Projections are used to retrieve specific fields or a subset of fields from an entity.

• They help in reducing the amount of data transferred over the network.

• Projections can be defined using interfaces or classes.

• They can be used with both JPQL and native SQL queries.

• Projections can be used to fetch related entities as well.
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Q6. What are the two types of compiler in angular?
Ans. 
The two types of compiler in Angular are JIT (Just-in-Time) compiler and AOT (Ahead-of-Time) compiler.
• JIT compiler compiles the code at runtime in the browser.

• AOT compiler compiles the code before the application is deployed to the browser.

• JIT compilation is slower but allows for faster development and debugging.

• AOT compilation is faster but requires additional build step before deployment.
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Q7. What are the different types of data binding in Angular?
Ans. 
Data binding in Angular allows automatic synchronization of data between the model and the view.
• Interpolation: {{ }} - binds data from the component to the view

• Property binding: [] - binds data from the component to an element property

• Event binding: () - binds an event from the view to a method in the component

• Two-way binding: [()] - combines property and event binding to achieve two-way data flow
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Q8. Promises vs Observables
Ans. 
Promises are used for asynchronous programming in JavaScript, while Observables are used for reactive programming.
• Promises represent a single value that may be available now or in the future.

• Observables represent a stream of values that can be emitted over time.

• Promises are eager, meaning they start executing as soon as they are created.

• Observables are lazy, meaning they only start executing when subscribed to.

• Promises...read more
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Q9. Constructor vs ngOnInit
Ans. 
Constructor is a special method used to initialize an object, while ngOnInit is a lifecycle hook in Angular.
• Constructor is used to create and initialize an object of a class.

• ngOnInit is a lifecycle hook in Angular that is called after the component is initialized.

• Constructor is defined using the constructor keyword, while ngOnInit is a method defined in the component class.

• Constructor is called only once during the cre...read more
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Q10. When to use Inline Template vs External Template in Angular?
Ans. 
Inline templates are used for small, simple templates, while external templates are used for larger, complex templates.
• Inline templates are defined within the component's TypeScript file using the template property.

• External templates are defined in separate HTML files and linked to the component using the templateUrl property.

• Inline templates are useful for small components or when the template is simple and doesn't re...read more
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Q11. Which module is used for http calls in Angular?
Ans. 
HttpClient module is used for http calls in Angular.
• HttpClient module is part of the @angular/common/http package.

• It provides a simplified API for making HTTP requests.

• It supports various HTTP methods like GET, POST, PUT, DELETE, etc.

• It also supports features like request/response headers, query parameters, error handling, etc.

• Example: import { HttpClient } from '@angular/common/http';
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Q1. The initial screening Round was done
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Q2. Expectations, CTC, job role
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Q1. Questions fired from java spring and react
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Q2. Answered all and cleared the interview
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There are 4 coding questions in first round

Q1. Some basic statistics questions and data structure questions
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