bigger than long

Question

I want to create a datatype that can store more than a long. should I try to do this wirh an array of longs or Strings where I save the Number and calculate + and - etc. with String operations?

Answer 1

I want to code it from scratch without any Class like Biginteger.

Answer 2

Ok, so look at this for guideline

https://silentmatt.com/blog/2011/10/how-bigintegers-work/

Answer 3

Use BigInteger

http://docs.oracle.com/javase/6/docs/api/java/math/BigInteger.html

Answer 4

thanks

Answer 5

I will try to use this with smth. like stacks. but thanks for this link.

Answer 6

Why stack? is it faster?

Answer 7

it isnt faster but I like difficult approches. Also it has no defined lenght.

Answer 8

also I can insert a number inbetween two numbers.

Answer 9

So the type you needed is not just +,- calculator.

Answer 10

yes it needs a few more methods +×÷-% and maybe even a few from the math class