Back-End Programming Exam > Back-End Programming Videos > Learn to Program with C++: Beginner to Expert > C++ Programming Tutorials - string Substrings; swapping; and finding
C++ Programming Tutorials - string Substrings; swapping; and finding Video Lecture | Learn to Program with C++: Beginner to Expert - Back-End Programming
|
73 videos|7 docs|23 tests
|
FAQs on C++ Programming Tutorials - string Substrings; swapping; and finding Video Lecture - Learn to Program with C++: Beginner to Expert - Back-End Programming
| 1. What are substrings in C programming and how can they be used? |  |
Ans. Substrings in C programming refer to a smaller portion of a larger string. They can be extracted by specifying the starting index and length of the desired substring using the `substr` function. For example, `substr(string, start_index, length)` will return a substring of `string` starting from `start_index` and having a length of `length`.
| 2. How can I swap two strings in C programming? | |
Ans. To swap two strings in C programming, you can use the `strcpy` function to temporarily store one string, then copy the second string to the first, and finally copy the temporarily stored string to the second. Here's an example:
```c
char temp[100];
strcpy(temp, string1);
strcpy(string1, string2);
strcpy(string2, temp);
```
| 3. How can I find the back-end programming language of a website using C programming? | |
Ans. It is not possible to directly determine the back-end programming language of a website using C programming. The programming language used for the back-end is usually determined by the server-side technology employed (e.g., PHP, Python, Ruby, etc.), and this information is not readily available through C programming alone.
| 4. How can I check if a string contains a specific substring in C programming? | |
Ans. To check if a string contains a specific substring in C programming, you can use the `strstr` function. It searches for the first occurrence of the specified substring within the given string and returns a pointer to the beginning of the substring if found, otherwise it returns NULL. Here's an example:
```c
char string[] = "Hello, World!";
char substring[] = "World";
if (strstr(string, substring) != NULL) {
printf("Substring found!\n");
} else {
printf("Substring not found!\n");
}
```
| 5. How can I count the occurrences of a specific character in a string using C programming? | |
Ans. To count the occurrences of a specific character in a string using C programming, you can iterate through each character of the string and compare it with the desired character. If they match, increment a counter variable. Here's an example:
```c
char string[] = "Hello, World!";
char character = 'l';
int count = 0;
for (int i = 0; i < strlen(string); i++) {
if (string[i] == character) {
count++;
}
}
printf("The character '%c' occurs %d times in the string.\n", character, count);
```
Related Exams
About this Video
|
4.84/5 Rating |
|
Nov 22, 2024 Last updated |
Video Description: C++ Programming Tutorials - string Substrings; swapping; and finding for Back-End Programming 2024 is part of Learn to Program with C++: Beginner to Expert preparation.
The notes and questions for C++ Programming Tutorials - string Substrings; swapping; and finding have been prepared according to the Back-End Programming exam syllabus.
Information about C++ Programming Tutorials - string Substrings; swapping; and finding covers all important topics for Back-End Programming 2024 Exam.
Find important definitions, questions, notes, meanings, examples, exercises and tests below for C++ Programming Tutorials - string Substrings; swapping; and finding.
Introduction of C++ Programming Tutorials - string Substrings; swapping; and finding in English is available as part of our Learn to Program with C++: Beginner to Expert for Back-End Programming & C++ Programming Tutorials - string Substrings; swapping; and finding in
Hindi for Learn to Program with C++: Beginner to Expert course. Download more important topics related with notes, lectures and mock test series for
Back-End Programming Exam by signing up for free.
Description
Video Lecture & Questions for C++ Programming Tutorials - string Substrings; swapping; and finding Video Lecture | Learn to Program with C++: Beginner to Expert - Back-End Programming - Back-End Programming full syllabus preparation | Free video for Back-End Programming exam to prepare for Learn to Program with C++: Beginner to Expert.
Information about C++ Programming Tutorials - string Substrings; swapping; and finding
Here you can find the meaning of C++ Programming Tutorials - string Substrings; swapping; and finding defined & explained in the simplest way possible.
Besides explaining types of C++ Programming Tutorials - string Substrings; swapping; and finding theory, EduRev gives you an ample number of questions to practice C++ Programming Tutorials - string Substrings; swapping; and finding tests,
examples and also practice Back-End Programming tests.
|
73 videos|7 docs|23 tests
|
|
Explore Courses for Back-End Programming exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
Related Searches
Previous Year Questions with Solutions
,shortcuts and tricks
,Extra Questions
,Viva Questions
,C++ Programming Tutorials - string Substrings; swapping; and finding Video Lecture | Learn to Program with C++: Beginner to Expert - Back-End Programming
,C++ Programming Tutorials - string Substrings; swapping; and finding Video Lecture | Learn to Program with C++: Beginner to Expert - Back-End Programming
,Semester Notes
,Important questions
,video lectures
,C++ Programming Tutorials - string Substrings; swapping; and finding Video Lecture | Learn to Program with C++: Beginner to Expert - Back-End Programming
,Summary
,Objective type Questions
,mock tests for examination
,Sample Paper
,practice quizzes
,past year papers
,study material
,MCQs
,Exam
,Free
,ppt
;
Study C++ Programming Tutorials - string Substrings; swapping; and finding on the App
Students of Back-End Programming can study C++ Programming Tutorials - string Substrings; swapping; and finding alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the C++ Programming Tutorials - string Substrings; swapping; and finding,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of C++ Programming Tutorials - string Substrings; swapping; and finding is prepared as per the latest Back-End Programming syllabus.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup