节日快乐！
世界你好，Hello World
- Java
public class HelloWorld{
public static void main(String[] args) {
System.out.println("Hello World");
}
}
- Python
# 2.0
print "Hello World"
# 3.0
print ("Hello World")
- Shell
echo "Hello World"
- SQL
SELECT 'Hello World' FROM DUAL;
- HTML5
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>say sth to this world</title>
</head>
<body>
Hello World
</body>
</html>
- JavaScript
function HelloWorld(){
document.write("Hello World");
}
HelloWorld();
- VBScript
MsgBox("Hello World!")
- Delphi
procedure TForm1.Button1Click(Sender:TObject);
begin
label1.Caption := 'Hello World';
end;
procedure TForm1.FormCreate(Sender:TObject);
begin
end;
end.
- Scala
object HelloWorld
{
def main(args:Array[String])
{
println("Hello World!");
}
}
- R
print ("Hello World")
- Ruby
print "Hello World"
- Matlab
disp ('Hello World');
- GO
import "fmt"
func main() {
fmt.Print("Hello World")
}
- PHP
<!DOCTYPE html>
<body>
<?php
echo "Hello World";
?>
</body>
</html>
- Perl
print "Hello World"
- Swift
print ("Hello World")
- Kotlin
fun main(args:Array<String>){
println("Hello World")
}
- C
#include <stdio.h>
int main() # main入口函数
{
printf("Hello World");
return 1;
}
- C++
#include<iostream>
int main(int argc, char const *argv[])
{
std::cout<<"Hello World";
return 0;
}
- **Windows CMD **
@echo off
echo Hello World
