Decimal to Hexadecimal Converter in Java

Question

I have a homework assignment where I need to do three-way conversion between decimal, binary and hexadecimal. The function I need help with is converting a decimal into a he

Answer 1

I will use

Long a = Long.parseLong(cadenaFinal, 16 );

since there is some hex that can be larguer than intenger and it will throw an exception