Arval Interview Questions and Answers

Q1. Give a reference of employee who is working in interface Microsystems
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Q2. Why you want to join this organisation
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Q1. What is a pointer to pointer
Ans. 
A pointer to pointer is a variable that stores the memory address of another pointer variable.
• It is used to create dynamic data structures like linked lists and trees.

• It allows multiple levels of indirection.

• It is denoted by ** in C and C++.

• Example: int **ptr;

• Example: ptr = &p; where p is a pointer variable.
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Q2. Class, object, inheritance, polymorphism,dbms
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Q1. Normal question about past experience
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Q2. When you can join and all
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SQL test on Select query, insert, create

Q1. What are the main principles of the Java
Ans. 
Main principles of Java include object-oriented programming, platform independence, and automatic memory management.
• Object-oriented programming: Java is based on classes and objects, allowing for encapsulation, inheritance, and polymorphism.

• Platform independence: Java code can run on any platform that has a Java Virtual Machine (JVM) installed.

• Automatic memory management: Java uses garbage collection to automatically m
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Q2. What is the different between == and equals method
Ans. 
The == operator compares the memory addresses of two objects, while the equals method compares the content of two objects.
• The == operator is used to compare the memory addresses of two objects in Java.

• The equals method is used to compare the content of two objects in Java.

• Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will return false, but str1.equals(str2) will return true
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Q1. What is jdk, string related questions, basic java oops questions?
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Basic aptitude questions of quant and reasoning and general english

Case study of varies products asked around 15-20 which were easy to attempt

Q1. About yourself, practical knowledge, family, data related,etc.
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Q2. What is sql. Excel formulas
Ans. 
SQL is a programming language used for managing and manipulating relational databases. Excel formulas are used for performing calculations and data analysis in Microsoft Excel.
• SQL is used to retrieve, insert, update, and delete data from databases.

• Excel formulas are written using functions and operators to perform calculations and manipulate data.

• SQL example: SELECT * FROM customers WHERE age > 30;

• Excel formula example...read more
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Normal aptitude questions

Q1. Interview with manager
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There will be MCQ Questions. They will ask you to use internet and answer the questions.
They want to check your research skills.

Q1. If you are a fresher then you can easily clear the interview, Hr will ask normal questions about yourself and about your education background.
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