This line is not legal: if (x instanceof []) : instanceof Operator « Operators « SCJP

1. SCJP
2. Operators
3. instanceof Operator

public class MainClass {
    public static void main(String[] argv){
        int[] intArray = new int[2];
        if(intArray instanceof []){
            System.out.println("it is an int array");
        }
    }
}

Syntax error on token "instanceof", boolean expected after this token