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JJ Jewellery Mart Interview Questions and Answers
Q1. What is Opps. And what are the main four pillars of it.
Opps stands for Object-oriented programming principles. The main four pillars are Inheritance, Encapsulation, Abstraction, and Polymorphism.
Inheritance allows a class to inherit properties and behavior from another class.
Encapsulation restricts access to certain components of an object, protecting its integrity.
Abstraction hides the complex implementation details and only shows the necessary features of an object.
Polymorphism allows objects to be treated as instances of their...read more
Q2. Give 5 test cases for the bottle
Test cases for a bottle
Verify the bottle is sealed properly to prevent leakage
Check if the bottle is able to hold the specified volume of liquid
Test the durability of the bottle by dropping it from a certain height
Ensure the cap of the bottle can be securely closed and opened multiple times without breaking
Check if the material of the bottle is safe for storing liquids
Q3. If you are other than computer and IT background then which coding language you known?
I have a computer and IT background, so I know multiple coding languages.
I am proficient in Java and Python.
I have also worked with C++ and JavaScript.
I am always eager to learn new languages and technologies.
Q4. What is software testing and difference between manual and software testing?
Software testing is the process of evaluating a software product to find defects and ensure it meets requirements.
Manual testing is performed by a human tester, while software testing is performed by automated tools.
Manual testing is time-consuming and prone to human error, while software testing is faster and more accurate.
Manual testing is best suited for exploratory testing, while software testing is best suited for regression testing.
Manual testing requires human intuitio...read more
Q5. Four Pillars in OOPS, MySQL queries to find sum, avg.
OOPS pillars are Inheritance, Encapsulation, Polymorphism, Abstraction. MySQL queries for sum: SELECT SUM(column_name) FROM table_name; for avg: SELECT AVG(column_name) FROM table_name.
OOPS pillars: Inheritance, Encapsulation, Polymorphism, Abstraction
MySQL query for sum: SELECT SUM(column_name) FROM table_name
MySQL query for avg: SELECT AVG(column_name) FROM table_name
Q6. swap two numbers
To swap two numbers, use a temporary variable to store one of the numbers and then assign the other number to the first variable.
Declare two variables, a and b, and assign them values
Declare a third variable, temp, and assign it the value of a
Assign the value of b to a
Assign the value of temp to b
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