Java中的 BigInteger 余数（）方法

Java.math.BigInteger.remainder(BigInteger big)方法返回一个 BigInteger，其值等于 (this BigInteger % big(BigInteger 作为参数传递))。余数运算找到这个 BigInteger 除以另一个传递为的 BigInteger 后的余数范围。

句法：

public BigInteger remainder(BigInteger big)

参数：该函数接受一个强制参数big ，它指定了我们想要分割这个 bigInteger 对象的 BigInteger 对象。

返回：该方法返回等于此 BigInteger % big（BigInteger 作为参数传递）的 BigInteger。

异常该方法抛出一个ArithmeticException – 当big = 0

例子：

Input: BigInteger1=321456, BigInteger2=31711
Output: 4346
Explanation: BigInteger1.remainder(BigInteger2)=4346. The divide operation 
between 321456 and 31711 returns 4346 as remainder.

Input: BigInteger1=59185482345, BigInteger2=59185482345
Output: 0
Explanation: BigInteger1.remainder(BigInteger2)=0. The divide operation between 
59185482345 and 59185482345 returns 0 as remainder.

示例 1：下面的程序说明 BigInteger 类的剩余（）方法

// Java program to demonstrate remainder() method of BigInteger
  
import java.math.BigInteger;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // Creating 2 BigInteger objects
        BigInteger b1, b2;
  
        b1 = new BigInteger("321456");
        b2 = new BigInteger("31711");
  
        // apply remainder() method
        BigInteger result = b1.remainder(b2);
  
        // print result
        System.out.println("Result of remainder "
                           + "operation between " + b1
                           + " and " + b2 + " equal to " + result);
    }
}

输出：

Result of remainder operation between 321456 and 31711 equal to 4346

示例 2：当两者的价值相等时。

// Java program to demonstrate remainder() method of BigInteger
  
import java.math.BigInteger;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // Creating 2 BigInteger objects
        BigInteger b1, b2;
  
        b1 = new BigInteger("3515219485");
        b2 = new BigInteger("3515219485");
  
        // apply remainder() method
        BigInteger result = b1.remainder(b2);
  
        // print result
        System.out.println("Result of remainder "
                           + "operation between " + b1
                           + " and " + b2 + " equal to " + result);
    }
}

输出：

Result of remainder operation between 3515219485 and 3515219485 equal to 0

示例 3：当作为参数传递的 BigInteger 等于 0 时，程序显示异常。

// Java program to demonstrate remainder() method of BigInteger
  
import java.math.BigInteger;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // Creating 2 BigInteger objects
        BigInteger b1, b2;
  
        b1 = new BigInteger("3515219485");
        b2 = new BigInteger("0");
  
        // apply remainder() method
        BigInteger result = b1.remainder(b2);
  
        // print result
        System.out.println("Result of remainder "+
                "operation between " + b1
                + " and " + b2 +
                " equal to " + result);
    }
}

Output:
Exception in thread "main" java.lang.ArithmeticException: BigInteger divide by zero
    at java.math.MutableBigInteger.divideKnuth(MutableBigInteger.java:1179)
    at java.math.MutableBigInteger.divideKnuth(MutableBigInteger.java:1163)
    at java.math.BigInteger.remainderKnuth(BigInteger.java:2167)
    at java.math.BigInteger.remainder(BigInteger.java:2155)
    at GFG.main(GFG.java:16)

参考：
BigInteger 余数（）文档