10+ Bhashyam Educational Institutions Interview Questions and Answers

Singleton is a design pattern that restricts the instantiation of a class to one object and provides a global point of access.

• Singleton ensures that only one instance of a class is created and provides a way to access it globally.

• It is thread-safe because the instance is created only once and accessed through a synchronized method or block.

• Singleton can be implemented using different approaches such as eager initialization, lazy initialization, and enum.

• Example: Java's Runtim...read more

Object class is the base class of all classes in C#.

• Object class provides basic functionalities like ToString(), GetHashCode(), and Equals() to all classes.

• All classes in C# implicitly inherit from Object class.

• Object class is defined in System namespace.

• Example: class MyClass : Object { }

Default access modifiers are public, protected, and private.

• Public: accessible from anywhere

• Protected: accessible within the class and its subclasses

• Private: accessible only within the class

Access modifiers in C# control the visibility and accessibility of class members.

• Public: accessible from anywhere

• Private: accessible only within the class

• Protected: accessible within the class and derived classes

• Internal: accessible within the same assembly

• Protected Internal: accessible within the same assembly and derived classes

• Example: public int age; private string name;

• Example: protected void DoSomething(); internal bool IsEnabled;

Components of a service include functionality, reliability, availability, and performance.

• Functionality: The service should perform the intended tasks and meet the requirements.

• Reliability: The service should consistently deliver the expected results.

• Availability: The service should be accessible and operational when needed.

• Performance: The service should perform efficiently and meet performance expectations.