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public class Solution {
static int H;
static int B;
static boolean flag;
static{
Scanner sc = new Scanner(System.in);
H = sc.nextInt();
B = sc.nextInt();
if (H>=0 && B>=0){
flag = true;
}else{
System.out.println("java.lang.Exception: Breadth and height must be positive");;
}
sc.close();
}
public static void main(String[] args){
if(flag){
int area=B*H;
System.out.print(area);
}
}//end of main
}//end of class
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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 int H; static int B; static boolean flag;
static{ Scanner sc = new Scanner(System.in); H = sc.nextInt(); B = sc.nextInt(); if (H>=0 && B>=0){ flag = true; }else{ System.out.println("java.lang.Exception: Breadth and height must be positive");; } sc.close(); }
public static void main(String[] args){ if(flag){ int area=B*H; System.out.print(area); }
}//end of class