Wiz Freight Software Developer Interview Questions and Answers

Q1. What is inheritence
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Allows a class to reuse code from another class

• Creates a parent-child relationship between classes

• Derived class inherits attributes and methods from base class
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Q2. What is garbage collector
Ans. 
Garbage collector is a program that automatically manages memory by reclaiming memory occupied by objects that are no longer in use.
• Garbage collector is a part of the runtime environment of a programming language.

• It helps prevent memory leaks by reclaiming memory from objects that are no longer needed.

• Examples of languages with garbage collectors include Java, C#, and Python.
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Q3. Explain yourself
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Q4. How try catch blick works
Ans. 
Try catch block is used in programming to handle exceptions and errors that may occur during the execution of code.
• Try block contains the code that may throw an exception.

• Catch block is used to handle the exception thrown by the try block.

• Finally block is optional and is used to execute code regardless of whether an exception is thrown or not.

• Exceptions can be of different types such as runtime exceptions, checked exce...read more
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The aptitude test consists of pen and paper method. They have asked the mcqs of the concepts Networking,Database, Basic Aptitude, and one program.

Q1. 1) Tell me about your self 2) Tell me about your projects and what is your contribution in your projects 3) What is the difference between global variables and local variables in c 4) Difficulties faced i...read more
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Q1. 1) Tell me about your self that is not in the resume 2) Why did you choose Engineering 3) Are you available to work in night shifts 4) How did you hear about us? 5) Are you willing to relocate? 6) What is...read more
Ans. 
I'm a passionate software developer with a love for problem-solving and continuous learning beyond my resume.
• I enjoy contributing to open-source projects, which enhances my coding skills and allows me to collaborate with others.

• In my free time, I work on personal projects, such as a web app that helps users track their fitness goals.

• I have a strong interest in AI and machine learning, and I'm currently taking online co...read more
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Q1. About .net, ASP .net and deep discussion on C# and SQL server
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It was for about 20 minutes for 20 questions

Coding test was for 20 minutes with few code snippets and one design question

Q1. Basic tech questions
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Q1. Salary negotiation
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Array and stack based lc standard questions

LLD of Payment Systems

Q1. Tell me what do u do in ur day to day job
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Q2. What is ur vision
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Questions from operating system dbms were asked

Q1. Explain the concept of NOsql and its types
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Q2. Explain automation [It was in my resume]
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Q1. Say about yourself
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Q2. Willing to do night shift
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Q1. Explain JDK. and JRD and JVM
Ans. 
JDK stands for Java Development Kit, JRE stands for Java Runtime Environment, and JVM stands for Java Virtual Machine.
• JDK is a software development kit used for developing Java applications.

• JRE is an environment used to run Java applications.

• JVM is a virtual machine that executes Java bytecode.
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2 Hrs. Hackerrank Coding Test

Q1. With HR manager.
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Q2. Why should we hire you.
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