学习编程语言的第一个程序一般是输出 "Hello World"。 接下来我们来看下26 种不同语言如何输出 "Hello World":
1. C
#include
int main()
{
printf("Hello, World");
return(0);
}
hr>2. C++
#include
int main()
{
std::cout << "Hello World";
return 0;
}
hr>3. C#
using System;
class Program
{
public static void Main(string[] args)
{
Console.WriteLine("Hello, World");
}
}
hr>4. Bash
echo "Hello, World"
hr>5. Basic
PRINT "Hello, World"
hr>6. HTML
Hello, World
hr>7. Java
public class Main {
public static void main(String[] args) {
System.out.println("Hello, World!");
}
}
hr>8. Clipper
? "Hello, World"
hr>9. Delphi
program HelloWorld;
begin
Writeln('Hello, World');
end.
hr>10. CoffeeScript
console.log 'Hello, World'
hr>11. MatLab
disp('Hello, World')
hr>12. Julia
println("Hello, World")
hr>13. JavaScript
document.write('Hello, World');
hr>14. Logo
print [Hello, World]
hr>15. jQuery
$("body").append("Hello, World");
hr>16. Perl 5
print "Hello, World";
hr>17. Pascal
program HelloWorld;
begin
WriteLn('Hello, World');
end.
hr>18. Objective-C
#import
#import
int main(void)
{
NSLog(@"Hello, World");
return 0;
}
hr>19. Visual Basic .NET
Module Module1
Sub Main()
Console.WriteLine("Hello, World")
End Sub
End Module
hr>20. R
cat('Hello, World')
hr>21. VBScript
MsgBox "Hello, World"
hr>22. XSLT
Hello, World
hr>23. Processing
void setup(){
println("Hello, World");
}
hr>24. Ruby
puts "Hello, World"
hr>25. Swift
print("Hello, World")
hr>26. Python
print ("Hello, World")