如何将2变为BigInteger？

I have a BigInteger I want to divide by two. I tried this:

我有一个BigInteger我想要除以2。我试过这个:

suma=suma.divide(2); 

or

BigInteger a=2;

or

suma=suma.divide(BigInteger(2));

Still the same error saying that 2 is an int. I am so sorry for such noobish questions.

仍然是同样的错误,说2是一个int。我很抱歉这些无聊的问题。

5 个解决方案

#1

Try using the following to create a BigInteger with the value 2:

尝试使用以下命令创建值为2的BigInteger:

BigInteger bigTwo = BigInteger.valueof(2L);

#2

BigInteger Big = new BigInteger("2");

its the best way,since if you just assign the numeric 2 or other whole number it will default to integer,as with floats.

它是最好的方法,因为如果你只是分配数字2或其他整数,它将默认为整数,就像浮点数一样。

#3

Try:

BigInteger bigInt  = new BigInteger("2"); 

To divide:

BigInteger bigInt  = new BigInteger("2"); 
BigInteger bigInt2  = new BigInteger("4");
bigInt2 = bigInt2.divide(bigInt);

#4

You cannot divind a BigInteger value with an integer. You should do it as follows:

您不能将BigInteger值与整数分开。你应该这样做:

BigInteger div = BigInteger.valueOf(2);
BigInteger var = BigInteger.valueOf(100);
var = var.divide(div);

It will do your job..

它会完成你的工作..

#5

Try this:

suma=suma.divide(BigInteger.valueOf(2));