Brilworks Java Developer Interview Questions and Answers

Q1. Promises 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() to handle success and .catch() to handle errors.
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An aptitude test evaluates an individual's potential to excel in a specific area by assessing their strengths and weaknesses in particular abilities.

An assessment that measures an individual's inherent abilities and potential for success in a specific activity.

A coding test is a programming assessment designed to evaluate a candidate's coding skills. It is a standard component of the technical hiring process for software developers and programmers.

Assessment that evaluates a candidate's coding skills

Group discussion (GD) topics for interviews may cover areas such as business, social issues, and current affairs. GDs serve to evaluate a candidate's communication, leadership, and teamwork abilities.

Discussion assignments are prompts that your teacher may assign to you. By participating in these discussions, you can reflect on your learning, share ideas and opinions, or ask and answer questions. Discussions may require you to respond to individual questions or provide multiple responses to an ongoing conversation.

Coding was conducted using Java.

Q1. The management is really bad... I had multiple call with the HR they jever mentioned about industrial experience excluding internship. I cleared the first round and in the second round they said they need ...read more
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Q1. Create one Spring boot controller from end to end. No need to create a spring boot project we just want to see the structure and end to end implementation.
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Q2. Write a java 8 program to get the characters from a string whose count is 2 or more than 2 e.g. input: baseball , output: b, a, l.
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Q3. Why you left your previous organization.
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Q4. What is the functional interface
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Q5. What are the OOPS concepts. and some questions related to inheritance.
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Q6. Asked about the project mentioned in CV (Client project) and asked its architecture.
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Q7. Various SQL join types
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Q1. Are you ready to relocate to job location
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Q2. Why are you leaving your previous organization.
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Q3. Expectation about salary
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The aptitude round consists of 20 questions with a time limit of 45 minutes, and you need to answer at least 15 questions correctly to qualify for the next round.

They will evaluate who is active and quick to respond, so it is advisable to answer promptly.

Q1. When was the last time you used a map, and what was the purpose?
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Q2. How accurate do you find Google Maps, and have you provided any suggestions for improvement?
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Q1. Why java is not 100% object oriented? Explain in detail?
Ans. 
Java is not 100% object oriented because it supports primitive data types and static methods.
• Java supports primitive data types like int, float, and boolean which are not objects.

• Static methods in Java belong to the class itself and not to any specific object.

• Java allows procedural programming constructs like static variables and methods.

• Inheritance in Java is limited to single inheritance for classes, unlike pure obje
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Q2. What is JIT? Explain in Detail?
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JIT stands for Just-In-Time compiler, which compiles Java bytecode into native machine code at runtime for improved performance.
• JIT compiler is a part of Java Virtual Machine (JVM) that helps in optimizing the performance of Java applications by compiling bytecode into native machine code on-the-fly.

• It identifies frequently executed code and compiles it into native code for faster execution.

• JIT compilation occurs durin...read more
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Q1. How many ways to create a thread in Java
Ans. 
There are multiple ways to create a thread in Java, including extending the Thread class, implementing the Runnable interface, and using Java 8's lambda expressions.
• Extending the Thread class

• Implementing the Runnable interface

• Using Java 8's lambda expressions
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Q2. What is the difference b/w spring and spring boot
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Spring is a framework for building Java applications, while Spring Boot is a tool that simplifies the setup and configuration of Spring applications.
• Spring is a comprehensive framework that provides various modules for building Java applications, such as Spring MVC, Spring Security, and Spring Data.

• Spring Boot is an opinionated tool that simplifies the setup and configuration of Spring applications by providing default...read more
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Q1. What are the different app states in an iOS application?
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