(模板)JAVA 大数的使用

import java.util.*;import java.math.*;public class Main {public static void main(String args[]) {int a = 102;BigInteger x = BigInteger.valueOf(a);Scanner cin = new Scanner(System.in);while(cin.hasNext()) {BigInteger y = cin.nextBigInteger();BigInteger z = x.add(y);z = x.multiply(y);z = x.subtract(y);z = x.divide(y);z = x.remainder(y);z = x.mod(y);z = x.pow(4);z = x.gcd(y);z = x.abs();z = x.negate();System.out.println(z.equals(x));String s = new String("101010");BigInteger u = new BigInteger(s, 2);System.out.println(u);z = BigInteger.ZERO;z = BigInteger.ONE;z = BigInteger.TEN;}}}