jb14 isEven Links, Java

jb14 isEven Links

//'main' method must be in a class 'Rextester'.
//Compiler version 1.8.0_111

import java.util.*;
import java.lang.*;
import java.math.*;

class Rextester
{  
    public static void main(String args[])
    {
        System.out.println("Hello, World!");
        
        MyIntNum t = new MyIntNum(10);
        TestLink tl = t::hasCommonFactor;
        
        System.out.println("10 & 6=true "+tl.test(6));
        
        MyIntNum t2 = new MyIntNum(81);
        TestLink tl2 = t2::hasCommonFactor;
        System.out.println("81 & 5= false "+tl2.test(5));
        System.out.println("81 & 6= true "+tl2.test(6));
        System.out.println("81 & 27= true "+tl2.test(27));
    }
    
    
}

interface TestLink{
    boolean test(int n);
}

class MyIntNum{
    private int _x;
    
    MyIntNum(int x){
        _x = x;
    }
    
    public boolean hasCommonFactor(int y){
        boolean result = false;
        boolean yIsEven = (y%2==0);
        boolean xIsEven = (_x%2==0);
        System.out.println(y + " yIsEven="+ yIsEven +" "+_x+" xIsEven=" + xIsEven);
        if(yIsEven == xIsEven){
            for(int i = (yIsEven) ? 2 : 3; i<Math.min(y,_x); i+=2){
                System.out.println(i);
                if( (y%i == 0) && (_x%i == 0) ){
                    result = true;
                    break;
                }
            }
        }
        return result;
    }
}


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