HR자바 Java Static Initializer Block

개요

HR자바 Java Static Initializer Block

• https://www.hackerrank.com/challenges/java-static-initializer-block/problem

해커랭크 Java

#	문제	비고
HR자바 Introduction e
1	HR자바 Welcome to Java!
2	HR자바 Java Stdin and Stdout I
3	HR자바 Java If-Else
4	HR자바 Java Stdin and Stdout II
5	HR자바 Java Output Formatting
6	HR자바 Java Loops I
7	HR자바 Java Loops II
8	HR자바 Java Datatypes
9	HR자바 Java End-of-file
10	HR자바 Java Static Initializer Block
11	HR자바 Java Int to String
12	HR자바 Java Date and Time
13	HR자바 Java Currency Formatter

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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 B;
    static int H;
    static boolean flag = true;
    static {
        Scanner sc = new Scanner(System.in);
        B = sc.nextInt();
        H = sc.nextInt();
        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
}//end of class