Java Static Initializer Block

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    ****Java logic for initializing a static block

      static  int B;
      static  int H;
           static  Scanner scan =  new Scanner(System.in);
    
        static{
            B  = scan.nextInt();
            H = scan.nextInt();
    				scan.close();
            if(B>0 && H>0)
            {
                System.out.println(B*H);
                
            }
            else{
                System.out.println("java.lang.Exception: Breadth and height must be positive");
            }
        }