การเขียนโปรแกรมด้วยภาษา C
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This document discusses programming languages and their evolution. It explains that machine language uses binary, while assembly language uses mnemonics. Higher-level languages have evolved over time, becoming more English-like and object-oriented. Some examples of early languages are BASIC, FORTRAN, and COBOL. Modern popular languages discussed include C, C++, Java, Visual Basic, and Pascal.
![2.8 JAVA)
ByteCode)
//Hello.java
Public class Hello {
Public static void main(String[] args) {
System.out.println(“Hello,world!”);
}
}](https://image.slidesharecdn.com/c-111103002955-phpapp01/85/C-16-320.jpg)
การเขียนโปรแกรมด้วยภาษา C
- 1. C
- 2. 1. 2. 3. C 4. C 5. C 6. C
- 3. 3 1. (Input Data) 2. (Data Processing) 3. (Output Data)
- 4. - - - -
- 5. 1. 0” 1” (Machine Language
- 6. 5 1) Machine Language) 2) Assembly Language) (Mnemonic Code)
- 7. 4) (Very high-level Language) 5) (Natural Language)
- 8. 2. 2.1 BASIC) 10 PRINT “HELLO WORLD” 20 GOTO 10
- 9. 2.2 FORTRAN) Program HelloWorld write (*,*) „Hello, world!‟ End program HelloWorld
- 10. 2.3 COBOL) Structure Program) IDENTIFICATION DIVISION. Program-Id. Hello-World * ENVIRONMENT DIVISION * DATA DIVISION. * PROCEDURE DIVISION. Paral. DISPLAY “Hello, world”. * Stop Run
- 11. OOP)
- 12. 2.4 PASCAL) Turbo Pascal) HelloWorld(output); Begin Writeln(„Hello, World!) End.
- 13. 2.5 C Unix) #include “stdio.h” Int main(void) { printf(“Hello, worldn”); return 0; }
- 14. 2.6 C++) Class #include <iostream> Int main() { std::cout << “Hello world!” << std::endl; return 0; }
- 15. 2.7 VISUAL BASIC)
- 16. 2.8 JAVA) ByteCode) //Hello.java Public class Hello { Public static void main(String[] args) { System.out.println(“Hello,world!”); } }
- 17. C 1. 2. 3.