Program to find greatest common divisior of two numbers using function in java.

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import java.util.*;
public class function {
    public static int greatestCommonDivisior(int a,int b){
        while(a!=b)
        {
            if(a>b)
                a=a-b;
            else
                b=b-a;
        }
        return b;
    }
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        System.out.println("enter two numbers=");
        int a=sc.nextInt();
        int b=sc.nextInt();
        System.out.print("the greatest common divisior of two numbers is= "+greatestCommonDivisior(a,b));
    }
}

■》Output->

enter two numbers=>
30
10

the greatest common divisior of two numbers is= 10

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