Rightpoint India Senior QA Engineer Interview Questions and Answers

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. 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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Array and OOPS concept. Given set of questions to solve with each oops concept

Q1. Out of box thinking. Given logical puzzles and ask you to analyze and provide your understanding
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Q2. Explain the inheritance concept with car model
Ans. 
Inheritance in car model refers to the ability of a new car model to inherit features and characteristics from an existing car model.
• Inheritance allows for the creation of a new car model that shares common features with an existing car model

• The new car model can add or modify features inherited from the existing car model

• For example, a new sports car model can inherit features from a base car model such as engine, tra...read more
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Q3. Probability question with fruits and boxes
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Q1. Problem-solving using Java.
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Q2. SQL queries to solve problems.
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Q1. SQL and Java basics. Write some code to solve problems.
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Q2. System design problems
Ans. 
System design problems involve designing scalable and efficient software systems.
• Consider scalability, reliability, and performance requirements

• Break down the system into smaller components and define their interactions

• Choose appropriate technologies and architecture patterns

• Optimize for performance and consider fault tolerance

• Consider data storage, caching, and load balancing strategies
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Q1. Behavioral questions, general talks. Interests and passion for software development.
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Q2. Talks about the product and salary discsussion
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Q1. Personal questions and about the company.
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Q2. Discussion on company culture and benefits.
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Aptitude, reasoning,java MCQS

Q1. Technical round
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Q1. Second technical round
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Q1. HR and package discussion
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