Why print() method of printwriter class does not print the string ?

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public class i4
{
    public static void main(String[] args) 
    {
    PrintStream  z =new PrintStream (System.out) ;    
   z.print ( " this is print stream ") ;  
    z.println ( " hi") ;
   
   PrintWriter c = new PrintWriter (System.out , true) ;
   c.println ( " zxc ") ;
   c.print ( " hello  ") ;    }
    
}

When using PrintStream both the methods print the strings but for PrintWriter print() method does not print hello . Why ?

What I have tried:

I have tried this program on netbeans .