Indus Net Technologies Associate Software Engineer Interview Questions, Process, and Tips

It was simple apptitude

Q1. Difference between private and protected
Ans. 
Private members are accessible only within the same class, while protected members are accessible within the same class and its subclasses.
• Private members can only be accessed within the same class

• Protected members can be accessed within the same class and its subclasses

• Private members are not inherited by subclasses

• Protected members are inherited by subclasses
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Q2. Why we use nosql database
Ans. 
NoSQL databases are used for scalability, flexibility, and handling unstructured data.
• Scalability: NoSQL databases can easily scale horizontally to handle large amounts of data and high traffic.

• Flexibility: NoSQL databases do not require a predefined schema, allowing for easy modifications and additions to data.

• Handling unstructured data: NoSQL databases are well-suited for storing and querying unstructured data like d...read more
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Q1. General questions
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Q2. About availability
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Q1. Removed duplicate in array
Ans. 
Remove duplicate strings in an array
• Use a Set data structure to store unique strings

• Iterate through the array and add each string to the Set

• Convert the Set back to an array to get the final result
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Q2. Find unique value
Ans. 
Find the unique value in an array of strings
• Iterate through the array and use a hashmap to store the frequency of each element

• Return the element with frequency 1 as the unique value
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Aptitude questions are easy but coding was bit tuff

Q1. Tell me the basic pillars of opps
Ans. 
The basic pillars of OOP are encapsulation, inheritance, and polymorphism.
• Encapsulation: bundling of data and methods that operate on that data within a single unit

• Inheritance: ability of a class to inherit properties and methods from a parent class

• Polymorphism: ability of objects to take on multiple forms or behaviors depending on the context
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Q2. Diffrence between jre jdk jvm
Ans. 
JRE is a runtime environment, JDK is a development kit, and JVM is a virtual machine.
• JRE stands for Java Runtime Environment and is used to run Java applications.

• JDK stands for Java Development Kit and is used to develop Java applications.

• JVM stands for Java Virtual Machine and is responsible for executing Java bytecode.

• JDK includes JRE and additional development tools such as compilers and debuggers.

• JVM is platform-de...read more
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Q1. Introduction, Basic programming loops like for,do-while etc
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Q2. What was your previous job role and questions regarding to that job and projects you have done
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Q1. Introduction ,why you left your previous organization,what was your experience in the previous organization
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Q2. A coding problem related to sorting
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