Hello World!

std::cout << "Hello World!" << std::endl;
System.out.println("Hello World!");
PRINT "Hello World!"
printf("Hello World!");
WRITE 'Hello World!'.
trace('Hello World');
Ada.Text_IO.Put_Line ("Hello World!");
OUTSTRING(2,'('Hello World')');
display dialog "Hello World!"
Response.Write("Hello World!")
do 'Hello World!' -> Screen.PutLine;
format-out("Hello World!\n");
@echo Hello World!
System::Console::WriteLine("Hello World!");
SNDPGMMSG MSG('Hello World!') MSGTYPE(*COMP)
Out.String ("Hello World!");
io.put_string("Hello World!%N")
fmt.Println("Hello World!")
"Hello World!" print
console.log("Hello World!");
PUT 'Hello World!' TO TERMINAL;
'Hello World!' out.