Java--求三個數的最小公倍數

package com.algorithm.java.blueBirdge;

import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Scanner;

public class leastCommonMultiple {
    public static void main(String[] args){
      /*  Scanner read =new Scanner(System.in);
        int n=read.nextInt();*/
        System.out.println(ICD(1,5,9));//賦值
    }
    public static int ICD(int a,int b,int c){//求最小公倍數
        int k=getMax(a,b,c);
        for (int i=k;;i++){
            if(i%a==0 && i%b==0 && i%c==0){
                return i;
            }
        }
    }
    public static  int  getMax(int a ,int b,int c){//求最大值
        int []aa={a,b,c};
        Arrays.sort(aa) ;
        return aa[2];
    }
}