Java-Static-Initializer-Block.java

    static int B, H;
    static boolean flag;
    static
    {
        Scanner sc = new Scanner(System.in);
        B = sc.nextInt();
        H = sc.nextInt();
        
        if(B>0 && H >0)
        {
            flag = true;
        }
        else
        {
            flag = false;
            System.out.print("java.lang.Exception: Breadth and height must be positive");    
        }    
        
    }