Ditch the Jargon, Learn C: A Simplified Approach for New Programmers

C language can be complex for beginners, so this article provides a simplified approach. First, it introduces basic data types, variables, and constants. Second, it covers input and output functions. Finally, it demonstrates control flow with a practical case of calculating the area of ​​a rectangle.

Get rid of the jargon and learn C: A simplified approach for novice programmers

The C language is renowned for its speed, efficiency and flexibility. famous. But for beginners, it can seem complicated and confusing. Let’s get rid of the jargon and break down the fundamentals of the C language to ease you into the world of programming.

Basic data types

• int: Integer number
• float: float Dot number
• char: Character

Variables and constants

• Variable: Storage value container
• Constant: Variable with unchanged value

Input and output

• scanf: Read input from keyboard
• printf: Display output on screen

Control flow

• if-else: Branch to different code blocks
• while: Loop through code blocks
• for: Use counter loop to execute code block

Practical case: area calculation

Write a C program to calculate the area of ​​a rectangle:

#include <stdio.h>

int main() {
  int length, width;
  float area;

  printf("输入矩形的长和宽：");
  scanf("%d %d", &length, &width);

  area = length * width;

  printf("矩形面积：%f\n", area);

  return 0;
}

How to run the code:

1. Create the .c file using a text editor such as Notepad or Sublime Text.
2. Paste the code and save the file.
3. Compile the file using a C compiler such as gcc.
4. Run the compiled executable file.

Congratulations! You have written and run a simple program in C language. Keep learning and exploring, and you'll soon master this powerful programming language.

The above is the detailed content of Ditch the Jargon, Learn C: A Simplified Approach for New Programmers. For more information, please follow other related articles on the PHP Chinese website!