note

Java : 大きい数(桁数の多い数値)の表現(BigInteger)

非常に大きな数値を扱う場合、JavaではBigIntegerクラスを使用することで任意の大きさの整数を扱うことができます。以下は、与えられた非常に大きな数値 N をそのまま出力するためのJavaコードの例です。 BigIntegerを通常の整数のようにSystem.out.println()でその ...
note

【Java】BigIntegerとIntegerを比較する

この記事の仲間です。 DBからぽんと取ったデータはBigInteger、こっちで比較しなきゃいけないデータはIntegerで困りましたね。 BigIntegerの方が桁数がでかいので、BigIntegerの方にあわせてあげる こっちのDBはIntegerから溢れることはないだろうという想定で設計さ ...
GitHub

Factorial of large numbers in Java using BigInteger

The factorial of numbers greater than or equal to 13 cannot be found using the program shown on this page due to overflow. These factorials are too large to fit in an int variable. Even if we use the ...
GitHub

ClassCastException: java.math.BigInteger cannot be cast to java.lang.Integer when using ...

When I try to benefit from the default value set for the argument "first" - as used in the SimpleListConnection - the execution of my request fails with a ...
Visual Studio Magazine

Improved Combinations with the BigInteger Data Type

If your app requires the creation and manipulation of combinations of objects, the BigInteger structure in the Microsoft .NET Framework can offer huge advantages to ...
Visual Studio Magazine

BigInteger for Astronomically Large Numbers

On VB columnist Joe Kunk explores the new BigInteger structure in .NET 4 and how it lets you work with astronomically large numbers. The BigInteger structure was introduced in the .NET Framework 4, ...
IEEE

Handling BigInteger Computations in the Implementation of the RSA Model

Abstract: Developing systems that can handle very large integers is challenging, especially if we are trapped in using some of the well-known programming languages ...