C :

#include<stdio.h>

int main(){
  printf("Hello,\nWorld.");
  return 0;
}

C++ :

#include<stdio.h>
 
int main()
{
printf("Hello,\n"); // 输出.....
printf("World.");//succeeded编译成功
return 0; 
}

Pascal :

begin
  writeln('Hello,');
  write('World.');
end.

Python :

# coding=utf-8
print("Hello,")
print("World.")