helloworld指令怎么写 – PHP基础 – 前端 微信php现金红包 tp5

java:

public class helloworld{ public static void main(String []args) { System.out.println(“Hello world!”); }}

python2:

print “Hello world!”

python3:

print (“Hello world!”)

C/C++:

#include <stdio.h>int main(){ printf(“Hello world!\n”); return 0;}

Linux intel asm(由于知道不支持汇编语言，因此可读性会差一点):[section data]msg db “Hello world!”, 0axlen equ $ – msg[section text]global _start_start: mov eax, 4 mov ebx, 1 mov ecx, msg mov edx, len int 0x80 mov eax, 1 mov ebx, 0 int 0x80Linux AT&T asm(由于知道不支持汇编语言，因此可读性会差一点):.datamsg: .ascii “Hello world!\n”len = . – msg.text.globl _start_start: movl $4, %eax movl $1, %ebx movl $msg, %ecx movl $len, %edx int $0x80 movl $1, %eax movl $0, %ebx int $0x80php:

<?phpecho “Hello world!”?>