iOSys Software India Interview Questions and Answers

Basic self evaluation test.

Q1. What project I have completed and follow-up questions on that?
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Q2. How to handle class imbalance.
Ans. 
Handling class imbalance involves techniques like resampling, using different algorithms, and adjusting class weights.
• Use resampling techniques like oversampling or undersampling to balance the classes.

• Utilize algorithms that are robust to class imbalance, such as Random Forest, XGBoost, or SVM.

• Adjust class weights in the model to give more importance to minority class.

• Use evaluation metrics like F1 score, precision, r...read more
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Q3. Basic Python coding questions.
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Q1. Data-related questions.
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Q2. ML Ops questions.
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Q1. Introduction, roles and responsibilities
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Q2. Deep copy shallow copy
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Q3. Method Overloading overriding
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Q4. Constuctor and its types
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Constructors are special methods in a class used to initialize objects. There are default, parameterized, copy, and static constructors.
• Constructors have the same name as the class and do not have a return type.

• Default constructors are automatically created by the compiler if no constructor is defined.

• Parameterized constructors accept parameters to initialize object properties.

• Copy constructors create a new object as a...read more
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Q5. Varags (variable length arguments)
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Q6. Find element find elements return types of it if no elements found

Ans. 

findElements method in Selenium returns a list of WebElements or an empty list if no elements are found.

• findElements method returns a list of WebElements

• If no elements are found, it returns an empty list

• Return type is List

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