Code Test

1. CPP

#include "iostream"

using namespace std;

int main()
{
    cout << "Hello world!" ;
    return 0;
}

2. JAVA

import java.lang.String;
import java.lang.System;
import java.lang.Exception;

public final class  helloworld
{
        public static void main(String[] args) throws Exception {
                
                System.out.println("hello world");
        }
}

3. PYTHON

#!env python3

import sys

class Hello():
    def __init__(self):
        self.names = 'Myoungsig '
    def sayHello(self):
        print(self.names + ' Hello World!')

if __name__ == '__main__':
        myHello = Hello()
        myHello.sayHello()

4. Bash

#!env bash

echo "hello world!"

5. C

#include "stdlib.h"
#include "stdio h"

int
main(int argc, char **argv)
{
 printf("hello world! \n");

 return 0;
}

6. SQL

select 'hello world!' as cmd
from dual
;

7. PL/SQL

set serveroutput on
declare
    msg varchar2(20) := 'Hello World'
begin
    dbms_output.put_line(msg);
end;
/