default initialization

[payal sharma]

public class Test {
public static void main ( String[] args) {
int value;
value = value + 1;
System.out.println(" The value is : " + value);
}
}
Here compiler is saying not have initialize the value of "value".
But what I know is that compiler default initialize it to its type value as it is integer so it would be 0.
Please comment
thanks in advance

[Axel Janssen]

Hi Payal,
Default initialization takes place only for member variables (static or instance).
Your "value" is a local variable. Local variables has to be initialized by the programer.
The only default initialization in local scope I know is that Array e l e m e n t s (not the array itself) are initialized to default values (0, false or null) in local scope (after initializing the array (example: String ar[] = ar[2]), too.
correct me if I am wrong
Axel

[Hassan Naqvi]

Hi,
The variables which intializes by default are declare in class.That is either as a class variables or instance variables.In your case you have declare value in main method.
Regards,
Hassan

[Jane Griscti]

Hi payal,
local variables, those declared in methods or blocks of code must be definitely assigned a value before you attempt to use them. As others have pointed out, they are not set to any default value. (See the JLS Chapter 16).
Hope that helps.
------------------
Jane Griscti
Sun Certified Programmer for the Java� 2 Platform