Systenics Solutions Dot Net Developer Trainee Interview Questions and Answers

1)Spy number
2)Pattern

Q1. Oops concepts(Pillers of oops)
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Q2. What is method overloading and overriding
Ans. 
Method overloading is having multiple methods in the same class with the same name but different parameters. Method overriding is redefining a method in a subclass with the same name and parameters as in the superclass.
• Method overloading allows a class to have multiple methods with the same name but different parameters.

• Method overriding involves redefining a method in a subclass that is already defined in the supercla...read more
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Q3. What is pointer(Dangling pointer)
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A dangling pointer is a pointer that points to a memory location that has been deallocated, leading to undefined behavior.
• Dangling pointers can occur when a pointer is not set to NULL after the memory it points to is freed.

• Accessing a dangling pointer can result in a crash or unexpected behavior.

• Example: int *ptr = new int; delete ptr; // ptr is now a dangling pointer
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Q4. Serialisation and Deserialisation
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Q5. What is class and object,constructors
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A class is a blueprint for creating objects, and objects are instances of classes. Constructors are special methods used to initialize objects.
• Class is a template that defines the properties and behaviors of objects.

• Object is an instance of a class that has its own state and behavior.

• Constructors are special methods used to initialize objects when they are created.

• Example: Class 'Car' defines properties like 'color' an...read more
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