public class IntegerPrinter { public String printIntegerAsBinary(int value){ String bin = Integer.toBinaryString(value); System.out.println(bin); return bin; } public String printIntegerAsOctal(int value){ String octal = Integer.toOctalString(value); System.out.println(octal); return octal; } public String printIntegerAsHexadecimal(int value){ String hex = Integer.toHexString(value); System.out.println(hex); return hex; } // public static void main(String[] args){ //I don't think it makes sense to have a main method here? Commented //out to be safe. // } }