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Icreon Communications
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I applied via Naukri.com and was interviewed in Nov 2020. There were 4 interview rounds.
I applied via Recruitment Consultant and was interviewed before Jan 2021. There were 4 interview rounds.
Dependency injection is a design pattern that allows objects to receive dependencies rather than creating them internally.
Dependency injection is used to decouple components and improve code maintainability.
It involves injecting dependencies into a class through its constructor, method, or property.
There are three types of dependency injection: constructor injection, setter injection, and interface injection.
Frameworks...
SOLID is a set of principles for object-oriented programming to make software more maintainable, scalable and robust.
SOLID stands for Single Responsibility, Open-Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion principles.
Single Responsibility Principle (SRP) states that a class should have only one reason to change.
Open-Closed Principle (OCP) states that a class should be open for extension...
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I applied via Recruitment Consultant and was interviewed before Oct 2020. There were 3 interview rounds.
posted on 6 Nov 2015
A pointer to pointer is a variable that stores the memory address of another pointer variable.
It is used to create dynamic data structures like linked lists and trees.
It allows multiple levels of indirection.
It is denoted by ** in C and C++.
Example: int **ptr;
Example: ptr = &p; where p is a pointer variable.
posted on 2 Jul 2024
Main principles of Java include object-oriented programming, platform independence, and automatic memory management.
Object-oriented programming: Java is based on classes and objects, allowing for encapsulation, inheritance, and polymorphism.
Platform independence: Java code can run on any platform that has a Java Virtual Machine (JVM) installed.
Automatic memory management: Java uses garbage collection to automatically m
The == operator compares the memory addresses of two objects, while the equals method compares the content of two objects.
The == operator is used to compare the memory addresses of two objects in Java.
The equals method is used to compare the content of two objects in Java.
Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will return false, but str1.equals(str2) will return true
I applied via Naukri.com and was interviewed in Mar 2022. There was 1 interview round.
=== compares value and type, while == only compares value
=== is stricter than == in type checking
=== returns true only if both operands are of the same type and have the same value
== performs type coercion, which can lead to unexpected results
For example, '5' == 5 returns true, but '5' === 5 returns false
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