Question about constructor?

Replies

• 

  gaurav.bhorkar

  A constructor can never return a value, it hasn't got any return type.
• 

  Morningdot Hablu

  Correct gaurav constructor can never return any valu.
  like this
  

  public class r
  {
  int p;
  public void r(int k)//Show an error because here constructor should return a valu that is "0"(void);
  {
  p=k;
  System.out.println("p= "+p);
  }
  public static void main(String args[])
  {
  r t=new r(5);
  }
  }

• 

  Kaustubh Katdare

  Thread moved to CS/IT Engineering section.
• 

  gaurav.bhorkar

  mohit007kumar00

  Correct gaurav constructor can never return any valu.
  like this

  I answered with reference to C++, not sure about other OO languages though.
• 

  Morningdot Hablu

  @Gaurav same here in the case of java also gaurav.
• 

  anandkumarjha

  hello everyone,
  System.out.println("the value of c is="+c);
  as we know here that here +sign appends the value of c to the string which preceids it i.e if the value of c is in the form of integer the firstly it is being converted to string.why is it so??
  can anyone please justify that for me????
• 

  Morningdot Hablu

  @anand here in java "+" is an operator which is used to add or concatenate two strings objects that's why c is converted to string.
• 

  Voltaire

  You fellas are much more up to date with this stuff than me, but thinking back to Pascal...
  p = ^t;
  t = type
  constructor init;
  destructor done; virtual;
  end; {type}
  if new(p,init()) <> nil then...
  
  So, I think the constructor returns a pointer if successful and nil when not.
  
  Any better ideas?