Originally Posted by masterofpuppets

hi
for the first problem you could do something like this:

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public class Mymath {
 
    public calculateFactor( int a, int b ) {
        if ( a < b && b % a == 0 )
            return true;
        elif ( a > b && a % b == 0 )
            return true;
        else
            return false;
    }
}

public class Mymath { public calculateFactor( int a, int b ) { if ( a < b && b % a == 0 ) return true; elif ( a > b && a % b == 0 ) return true; else return false; } }

and for the second part see if this is any helpful :

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import java.util.Scanner;
 
public class Test {
 
	public static void main( String[] args ) {
	    Scanner in = new Scanner( System.in );
	    String goOn = "y";
	    int n, largest = 0;
	    do {
	        System.out.println( "Input an integer number:" );
	        n = in.nextInt();
 
	        for ( int i = 1; i < n; i++ )
	            if ( n % i == 0 )
	                if ( i > largest )
	                    largest = i;
	        System.out.println( "Largest divisor: " + largest );
	        System.out.println( "Another input (y/n)?" );
	        goOn = in.nextLine();
	        goOn = in.nextLine(); //doesn't work in there's only one don't know why.
	        largest = 0;
 
	    } while ( goOn.equals( "y" ) );
      }
}

import java.util.Scanner; public class Test { public static void main( String[] args ) { Scanner in = new Scanner( System.in ); String goOn = "y"; int n, largest = 0; do { System.out.println( "Input an integer number:" ); n = in.nextInt(); for ( int i = 1; i < n; i++ ) if ( n % i == 0 ) if ( i > largest ) largest = i; System.out.println( "Largest divisor: " + largest ); System.out.println( "Another input (y/n)?" ); goOn = in.nextLine(); goOn = in.nextLine(); //doesn't work in there's only one don't know why. largest = 0; } while ( goOn.equals( "y" ) ); } }