variable How to check whether a int is not null or empty?
java check if long is zero (3)
I really dont know if this is possible or not.
But I am strucking in a place where I want to check an int value is
null or not, to call different methods.
Is there any way to do it?
Actually, variable comes from a browser with a
I cannot change the
int declaration to
Integer. Because it has it own consequences.
int variables can't be
null is to be converted to
int, then it is the converter which decides whether to set
0, throw exception, or set another value (like
Integer.MIN_VALUE). Try to plug your own converter.
I think you are asking about code like this.
int count = (request.getParameter("counter") == null) ? 0 : Integer.parseInt(request.getParameter("counter"));
I think you can initialize the variables a value like
because if the
int type variables is not initialized it can't be used.
When you want to check if it is not the value you want you can check if it is