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static
{
Scanner sc=new Scanner(System.in);
B = sc.nextInt();
sc.nextLine();
H = sc.nextInt();
sc.close();
if(B<=0 || H<=0)
System.out.println("java.lang.Exception: Breadth and height must be positive");
else
flag=true;
}
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Java Static Initializer Block
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static int B; static int H; static boolean flag;
static { Scanner sc=new Scanner(System.in); B = sc.nextInt(); sc.nextLine(); H = sc.nextInt(); sc.close(); if(B<=0 || H<=0) System.out.println("java.lang.Exception: Breadth and height must be positive"); else flag=true;
}