JPMorgan Chase & Co. Softwaretest Engineer Interview Questions and Answers

Q1. What is interface and difference between interface and abstract class
Ans. 
An interface is a contract that specifies the methods that a class must implement. Abstract class is a class that cannot be instantiated.
• An interface can only have abstract methods and constants, while an abstract class can have both abstract and non-abstract methods.

• A class can implement multiple interfaces, but can only inherit from one abstract class.

• Interfaces are used to achieve abstraction and provide loose coupl...read more
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Q2. What do you mean by reflection?
Ans. 
Reflection is the ability of a program to examine and modify its own structure and behavior at runtime.
• Reflection allows a program to inspect and manipulate its own code and data at runtime.

• It is commonly used in frameworks and libraries to provide dynamic behavior.

• Examples include Java's reflection API and .NET's System.Reflection namespace.

• Reflection can be used to create new objects, invoke methods, and access field...read more
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Q1. Create own list without using java collections
Ans. 
Create a custom list using arrays in Java
• Declare an array of strings to store the elements of the list

• Implement methods like add, remove, get, and size to manipulate the list

• Use a counter variable to keep track of the number of elements in the list
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Q1. Can you provide a detailed overview of the technical discussions related to your past work experience?
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Logical quantitative

Two coding questions array string programs

Q1. Computer oops networks projects data structure and algorithms
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Online aptitude test was taken
1st round was general aptitude test
2nd was coding question with two questions to solve in 45 mins

Q1. General test with lots pf questions which describes your traits . Answer Honestly
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Q1. It was a 15 - 20 mins interview round 1) Basic Intro 2) Asked about my projects . 3) MySQL queries , Normalization 4) Interface in Java and general 5) Write a code to return sum of numbers present in al...read more
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Q1. Did not clear Technical round
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Q1. Technical related
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Q1. Common HR round
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Q1. Common round about personal information
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