BigInteger « Integer « Java Data Type Q&A

1. How to implement an unsigned 64-bit int in Java using BigInteger class?    stackoverflow.com

I am looking for one datatype with exact capacity of 0 to 2^64 - 1. We know that Java as it is does not support 'unsigned' barring char datatype. There is ...

2. What is the most effective way to create BigInteger instance from int value?    stackoverflow.com

I have a method (in 3rd-party library) with BigInteger parameter:

public void setValue (BigInteger value) { ... }

3. How to assign the largest n bit unsigned integer to a BigInteger in Java    stackoverflow.com

I have a scenario where I'm working with large integers (e.g. 160 bit), and am trying to create the biggest possible unsigned integer that can be represented with an n bit ...

4. How do I generate a random n digit integer in Java using the BigInteger class?    stackoverflow.com

I am unsure about how to generate a random n digit integer in Java using the BigInteger class.

5. Converting from Integer, to BigInteger    stackoverflow.com

I was wondering if there was any way to convert a variable of type Integer, to BigInteger. I tried typecasting the Integer variable, but i get an error that says inconvertible ...

6. BigInteger to String according to ASCII    stackoverflow.com

Is there a way to convert a series of integers to a String according to the ASCII table. I want to take the ASCII value of a String and convert ...

7. Convert an int to a BigInteger    coderanch.com

8. convert BigInteger to integer    coderanch.com

9. int to BigInteger    coderanch.com

10. BigInteger(String val, int radix) not working?    coderanch.com

11. difference between Integer and BigInteger    coderanch.com

Integer is a wrapper of the primitive type int.The wrapper classes are basically used in cases where you want to treat the primitive as an object for ex-trying to pass an int value in a method that would take only a type of Object in such a case you would want to wrap primitive int value in the wrapper Integer which ...

12. Converting an integer into a BigInteger    java-forums.org

Hello All, I am working an assignment, and I am confused on how to convert an integer into a BigInteger. What I want to do is use the divideAndRemainder(BigInteger val) function, but to use this function I need to pass a BigInteger. I want to convert the integer 128 to a BigInteger. Below is my code: Java Code: import java.io.*; import ...

13. how can i store 30 int digits without using bigInteger class    java-forums.org

import java.util.*; import java.lang.*; public class lab8 { public static void main (String[] args){ int [] int1= new int [30]; int [] int2= new int [30]; int [] x= input(int1); int [] y= input(int2); sum(x,y); } public static int [] input (int [] x){ int i; System.out.println("input an integer less than 30 digits"); Scanner myInput = new Scanner(System.in); int b = ...

14. How to convert and int to BigInteger    forums.oracle.com

15. How to convert a int value to a BigInteger value?    forums.oracle.com