Mobile Premier League Software Developer Interview Questions and Answers

Classes, oops, array, constructor

Q1. Write a code for copy constructor
Ans. 
A copy constructor is a special type of constructor that creates a new object as a copy of an existing object.
• Copy constructor should have a parameter of the same class type

• It is used to create a new object by copying the values of an existing object

• It is called when a new object is created from an existing object
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Q2. Write a code for virtual function
Ans. 
A virtual function is a member function that is declared within a base class and is redefined by a derived class.
• Declare a virtual function in the base class using the 'virtual' keyword.

• Override the virtual function in the derived class using the 'override' keyword.

• Use the base class pointer to call the virtual function, which will be resolved at runtime based on the actual object type.
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Q1. Design patterns
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Q2. Oops concept and implementation
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Oops concept refers to Object-Oriented Programming principles and their implementation in software development.
• Oops concepts include inheritance, polymorphism, encapsulation, and abstraction.

• Inheritance allows a class to inherit properties and behaviors from another class.

• Polymorphism allows objects to be treated as instances of their parent class.

• Encapsulation hides the internal state of an object and only exposes nec...read more
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Q1. 4 Coding question to be solve live
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Q1. 2 DSA questions was asked and Java Questions
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Q1. Questions on Kafka, Scalability
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Q1. Questions releated to past projects and Cassandra
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3 online dsa questions easy to medium