Back-End Programming Exam > Back-End Programming Videos > Learn to Program with C++: Beginner to Expert > C++ Programming Tutorials - Arrays
C++ Programming Tutorials - Arrays Video Lecture | Learn to Program with C++: Beginner to Expert - Back-End Programming
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73 videos|7 docs|23 tests
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FAQs on C++ Programming Tutorials - Arrays Video Lecture - Learn to Program with C++: Beginner to Expert - Back-End Programming
| 1. What is an array in C programming? |  |
Ans. An array in C programming is a collection of elements of the same data type that are stored in adjacent memory locations. It allows the programmer to store multiple values under a single variable name, making it easier to manage and manipulate large sets of data.
| 2. How do you declare an array in C programming? | |
Ans. To declare an array in C programming, you need to specify the data type of the elements it will hold and the size of the array. The syntax for declaring an array is:
data_type array_name[array_size];
For example, to declare an integer array of size 5, you would write:
int numbers[5];
| 3. Can the size of an array be changed in C programming? | |
Ans. No, the size of an array cannot be changed once it is declared in C programming. The size of the array is fixed and determined at compile-time. If you need to store a different number of elements, you would need to declare a new array with the desired size and copy the values from the old array to the new one.
| 4. How do you access elements in an array in C programming? | |
Ans. In C programming, you can access elements in an array using the array name followed by the index of the element you want to access enclosed in square brackets. The index starts from 0 for the first element and goes up to (array_size - 1) for the last element. For example, to access the third element in an integer array called numbers, you would write:
int thirdElement = numbers[2];
| 5. How are arrays passed to functions in C programming? | |
Ans. In C programming, arrays are passed to functions by passing the base address or the pointer to the first element of the array. This means that the changes made to the array within the function will affect the original array in the calling function. Additionally, you need to pass the size of the array as a separate parameter to the function, as the size information is not automatically passed with the array.
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Dec 23, 2024 Last updated |
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