Wissen Technology Associate Software Engineer Interview Questions and Answers for Experienced

Two coding ques. you have to solve in one hour.

Q1. Hashmap & hashtable , oops concept , ques. from my academic project, questions from SQL
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Q2. Difference in set and list , explain collections hierarchy , vector and array list
Ans. 
Set and list are both collection types in Java. Vector and ArrayList are two implementations of List interface.
• Set is an unordered collection of unique elements while List is an ordered collection of elements.

• Collections hierarchy in Java includes Collection interface, List interface, Set interface, and Map interface.

• Vector is a synchronized implementation of List interface while ArrayList is not synchronized.

• Arrays ar...read more
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Q1. About yourself , family background , your strength and weakness , why xoriant
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Basic aptitude questions and 2 basic coding que

Q1. Basic of oop, coding que
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Q2. Polymorphism, interface, Abstraction
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Q3. Live example of oop concept
Ans. 
Inheritance is a key OOP concept where a class inherits properties and behaviors from another class.
• Inheritance allows for code reusability and promotes a hierarchical structure.

• Example: Animal class can be a base class with properties like name and age, and subclasses like Dog and Cat can inherit these properties.

• Subclasses can also have their own unique properties and methods in addition to the inherited ones.
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Q1. About yourself, hobbies
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Q1. All questions were pretty basic
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Q1. Explain the projects you did
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Q2. Wride a code in python
Ans. 
Code in Python to print 'Hello, World!'
• Use the print() function in Python to display the text

• Enclose the text in single or double quotes
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Q1. Who is your role model
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Q2. Tell me about your academic life from the start
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It's very easy

Moderate to hard

Q1. Mainly ds algo and about my projects
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Q2. How dsf works? Then questions related to my ml project.
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