hello world程序集锦(2)
AWK
BEGIN { print "Hello, world!" } Bash (or sh) echo 'Hello, world!'
或者:
printf 'Hello, world!\n'
BASIC
传统版 BASIC(例如 GWBASIC):
10 PRINT "Hello, world!" 20 END
或在提示符输入:
? "Hello, world!"
现代版 BASIC(例如 Quick BASIC):
PRINT "Hello, world!"
以下的语句,在 Quick BASIC 中同样有效:
? "Hello, world!"
BCPL
GET "LIBHDR" LET START () BE $( WRITES ("Hello, world!*N") $)
Brainfuck
++++++++++[>+++++++>++++++++++>+++>+<<<<-] >++.>+.+++++++..+++.>++.<<+++++++++++++++. >.+++.------.--------.>+.>.
BlitzBasic
Print "Hello, world!" WaitKey
BOO
print "Hello, world!"
C
#include <stdio.h> int main(void) { printf("Hello, world!\n"); return 0; }
或者:
#include <stdio.h> int main(void) { puts("Hello, world!"); return 0; }
C++
#include <iostream> int main() { std::cout << "Hello, world!" << std::endl; return 0; }
或者:
#include <iostream> using namespace std; int main() { cout << "Hello, world!" << endl; return 0; }
C++/CLI
int main() { System::Control::WriteLine("Hello, world!"); }
C# (C Sharp)
class HelloWorldApp { static void Main(string[] args) { System.Console.WriteLine("Hello, world!"); } }
或者(仅用于Microsoft Windows)
class HelloWorldApp { [DllImport("user32.dll")] static extern MessageBox(string title, string message); public static void Main() { MessageBox(null, "Hello, world!"); } }
或者(使用附加的Windows Forms)
using System.Windows.Forms; class HelloWorldApp { public static void Main() { MessageBox.Show("Hello, world!"); } }
COBOL
IDENTIFICATION DIVISION. PROGRAM-ID. HELLO-WORLD. ENVIRONMENT DIVISION. DATA DIVISION. PROCEDURE DIVISION. DISPLAY "Hello, world!". STOP RUN.
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