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public class Solution {
static boolean flag;
static int B,H;
static{
Scanner sc = new Scanner(System.in);
B = sc.nextInt();
H = sc.nextInt();
flag = true;
if(B<=0||H<=0){
flag =false;
System.out.println("java.lang.Exception: Breadth and height must be positive");
}
}
public static void main(String[] args){
if(flag){
int area=B*H;
System.out.print(area);
}
}//end of main
}
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Java Static Initializer Block
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import java.io.; import java.util.; import java.text.; import java.math.; import java.util.regex.*;
public class Solution { static boolean flag; static int B,H; static{ Scanner sc = new Scanner(System.in); B = sc.nextInt(); H = sc.nextInt(); flag = true; if(B<=0||H<=0){ flag =false; System.out.println("java.lang.Exception: Breadth and height must be positive");
}
public static void main(String[] args){ if(flag){ int area=B*H; System.out.print(area); }
}