class lab18
{
String lang;
lab18()
{
this.lang="java";
}
lab18(String lang)
{
this.lang=lang;
}
public void getLang()
{
System.out.println("programming language:"+this.lang);
}
public static void main(String[] args)
{
lab18 obj1=new lab18();
lab18 obj2=new lab18("C++");
obj1getLang();
obj2getLang();
}
}