個人ACM之 1.2.1 A+B Coming

Input
     Input may contain multiple test cases. Each case contains A and B in one line.
     A, B are hexadecimal number.
     Input terminates by EOF.
Output
     Output A+B in decimal number in one line.
Sample Input
     1 9
     A B
     a b
Sample Output
     10
     21
     21

 

import java.util.*;

public class Main {
	 public static void main(String[] args){
		 Scanner s = new Scanner(System.in);
			 String m,n;
		 while (s.hasNext()){
			 m=s.next();
			 n=s.next();
			 int i = Integer.parseInt(m, 16);
			 int j = Integer.parseInt(n, 16);
			 System.out.println(i+j);
			 }	 
	}
}

總結： 重點在於 一個以字符串形式的16進制的數如何轉化爲int