Logical operator ! not working

[atmaling]

Hi All,

I am using the following logical operator in print when expression.

!$P{NO_DATA}

where NO_DATA is a parameter of  java.lang.Boolean

But I am getting following error:

The operator ! is undefined for the argument type(s) Boolean.

However I run following  sample java program successfully:

 

public static void main(String[] args) {

        Boolean x=true;
        Boolean y=!x;
        System.out.println("X=="+x);
        System.out.println("Y=="+y);

    }

 

Please help me

 

[atmaling]

It worked as below:

new Boolean(!($P{NO_DATA}.booleanValue()))