Ex. 5.12, Ex. 5.14, and Ex. 5.15

 Ex. 5.12, Ex. 5.14, and Ex. 5.15

//*****************************************************
// Ex. 5.12
//*****************************************************

public class ex5point12 {

    public int maxOfTwo (int num1, int num2)
    {
     int result = num1;
     if (num2 > num1)
     result = num2;
     return result;
    }
}

//*****************************************************
// Ex. 5.14
//*****************************************************

public class ex5point14 {

    public boolean evenlyDivisible (int num1, int num2)
    {
     boolean result = false;
     if (num1 != 0 && num2 != 0)
     if (num1 % num2 == 0 || num2 % num1 == 0)
         result = true;
     return result;
    }
}

//*****************************************************
// Ex. 5.15
//*****************************************************

public class ex5point15 {

    public boolean isAlpha (char ch)
    {
     return ( (ch >= 'a' && ch <= 'z') ||
     (ch >= 'A' && ch <= 'Z') );
    }
}