What happens when we print null character '\u0000' ?

[sachin verma]

HI
I am finding it strange when I am trying to print default value of char type.

public class AClass {


public static void main(String[] args) {
char c='\u0000';
System.out.println("c is "+c);
\\IT is working like I have written System.exit(0) here
System.out.println("after print ");

}
}
[ May 06, 2008: Message edited by: sachin verma ]

[marc weber]

Are you saying that your program exits before outputting "after print"? Does it output "c is"?

(It works fine for me, using Mac Terminal.)

[Stevi Deter]

Sachin,

I'm not sure why you're having problems. I was able to run the code (once i removed the invalidly escaped comment, should start with "//") just fine.

Are you seeing any other errors when you run this code?

Also, please use the UBB code tag when posting code.

[sachin verma]

Originally posted by: marc weber
Are you saying that your program exits before outputting "after print"? Does it output "c is"?

Yes it is working like that
printing "c is" and nothing after that
Not printing "after print" neither there is any kind of exception propagated
[ May 06, 2008: Message edited by: sachin verma ]

[sridhar row]

public class AClass {
 

public static void main(String[] args) {
char c='\u0000';
System.out.println("c is "+ ">>"+c+"<<");
//IT is working like I have written System.exit(0) here
System.out.println("after print ");
 
}
}    

try this and let us know what you think.

[marc weber]

Hmmm... Are you using an IDE?

[sachin verma]

Yes I am using JCreator

[sachin verma]

output is still

c is >>
Process completed.

[sridhar row]

this is what you should be getting

c is >> <<
after print

[marc weber]

How a null char is displayed depends on the environment that's displaying it, but I would expect nothing (not even a space) to be displayed.

Try the same code outside of JCreator, and I think you will find it works.

(I recommend not using an IDE while preparing for the SCJP exam.)

[sachin verma]

originally posted by: marc waber

Try the same code outside of JCreator, and I think you will find it works.

(I recommend not using an IDE while preparing for the SCJP exam.)

Is is working fine on command line
thankyou sir
I will not use JCreator anymore

[sachin verma]

I have reported a Bug

Thanks to marc weber, sridhar row and Stevi Deter

[Rakesh Chaudhary]

I tried the following on the code

    
                public class AClass
{
                    public static void main(String[] args) 
   {
                       char c='\u0000';
                       System.out.println(+c);
                        //IT is working like I have written System.exit(here
                       System.out.println("after print ");
                         //System.out.println("c is "+c);
    }
                 }    

the output is
0
after print

but if I write a string and then try to print value of c...the output is changed i.e...

  public class AClass
{
            public static void main(String[] args) 
   {
              char c='\u0000';
              System.out.println("The Value of C:"+c);
              //IT is working like I have written System.exit(0) here
              System.out.println("after print ");
              //System.out.println("c is "+c);
}
        }        

The Output is
The Value of C:
.............

Another Code with the Same output

   public class AClass
{
            public static void main(String[] args) 
   {
              char c='\u0000';
              System.out.println("The Value of C:"+ c +" HIIII");
              
              System.out.println("after print ");
              //System.out.println("c is "+c);
}
        }    

SomeBody Clear it Please....thanks.........

[sachin verma]

Don't use IDE to run these type of program.
Run on command line and see the output.
It is a bug in JCreator.I don't know about other IDE
[ May 07, 2008: Message edited by: sachin verma ]

[Sanjit Kumar]

running perfectly fine in eclipse