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A pointer is a variable that stores the memory address of another variable.
Pointers are used to indirectly access and manipulate data in computer memory.
They are commonly used in programming languages like C and C++.
Pointers can be used to pass variables by reference, allowing changes to be made to the original variable.
Example: int* ptr; // declares a pointer to an integer variable
Stacks and Queues are data structures used to store and retrieve data in a specific order.
Stacks follow the Last-In-First-Out (LIFO) principle, where the last item added is the first one to be removed.
Queues follow the First-In-First-Out (FIFO) principle, where the first item added is the first one to be removed.
Stacks are used in undo-redo functionality, while Queues are used in scheduling tasks.
Both can be implemente
Type casting is the process of converting one data type to another. Types of type casting include implicit and explicit casting.
Implicit casting is automatic and occurs when a value of one data type is assigned to a variable of another data type that can hold a wider range of values.
Explicit casting is done manually and involves converting a value of one data type to another data type that can hold a narrower range of ...
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I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed before Jun 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Oct 2019. There were 3 interview rounds.
I applied via LinkedIn and was interviewed before Dec 2020. There was 1 interview round.
C++ is an extension of C with object-oriented programming features.
C++ supports object-oriented programming while C does not.
C++ has classes and templates while C does not.
C++ has better support for function overloading and default arguments.
C++ has a standard library that includes many useful functions.
C++ allows for both procedural and object-oriented programming.
C++ is generally considered to be a more complex langu
I applied via Naukri.com and was interviewed before Dec 2020. There were 3 interview rounds.
I applied via Company Website and was interviewed before May 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed in Apr 2020. There was 1 interview round.
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