最大公约数和最小公倍数

import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;public class test05 {/** * @param args * @throws IOException  */public static void main(String[] args) throws IOException {// TODO Auto-generated method stubBufferedReader in1=new BufferedReader(new InputStreamReader(System.in));int j=Integer.parseInt(in1.readLine());BufferedReader in2=new BufferedReader(new InputStreamReader(System.in));int i=Integer.parseInt(in2.readLine());test05 one =new test05();int m=one.maxCommonDivisor(j, i);int n=one.minCommonMultiple(j, i);System.out.println(m);System.out.println(n);} int maxCommonDivisor(int m, int n)    {        if (m % n == 0)        {            return n;        }        else        {            return maxCommonDivisor(n, m % n);        }    } int minCommonMultiple(int m, int n)    {        return m * n /(maxCommonDivisor(m, n));    }}