Hackerrank - Java Solution - Java Static Initializer Block Solution

Hackerrank - Java Solution - Java Static Initializer Block Solution

Problem Name - Java Static Initializer Block Solution
Problem Link -  Java Static Initializer Block
Level - Introduction Challenges

Java Static Initializer Full Code

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {
    private static int B;
    private static int H;
    private static boolean flag;

    static {
        Scanner scan = new Scanner(System.in);
        B = scan.nextInt();
        H = scan.nextInt();
        scan.close();
        if (B <= 0 || H <= 0) {
            System.out.println("java.lang.Exception: Breadth and height must be positive");
            flag = false;
        } else {
            flag = true;
        }
    }

    public static void main(String[] args) {
        if (flag) {
            int area = B * H;
            System.out.print(area);
        }
    } // end of main
} // end of class

Java Static Initializer Only Code For Submit

    private static int B;
    private static int H;
    private static boolean flag;

    static {
        Scanner scan = new Scanner(System.in);
        B = scan.nextInt();
        H = scan.nextInt();
        scan.close();
        if (B <= 0 || H <= 0) {
            System.out.println("java.lang.Exception: Breadth and height must be positive");
            flag = false;
        } else {
            flag = true;
        }
    }

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