BigInteger bi1 = new BigInteger("100");
BigInteger bi2 = new BigInteger("2");
System.out.println(bi1.add(bi2)); //+
System.out.println(bi1.subtract(bi2)); //-
System.out.println(bi1.multiply(bi2)); //*
System.out.println(bi1.divide(bi2)); ///(除)
BigInteger[] arr = bi1.divideAndRemainder(bi2); //取除数和余数
for (int i = 0; i < arr.length; i++) {
System.out.println(arr[i]);
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