Java Math BigInteger.flipBit() 方法 Java Math BigInteger.equals() 方法 Java Math BigInteger.floatValue() 方法 Java Math BigInteger.flipBit() 方法 package com.codingdict; import java.math.*; public class BigIntegerDemo { public static void main(String[] args) { // create 2 BigInteger objects BigInteger bi1, bi2; // assign value to bi1 bi1 = new BigInteger("8");//1000 // perform flipbit operation on bi1 with index 1 bi2 = bi1.flipBit(1); String str = "Flipbit operation on " +bi1+ " at index 1 gives " +bi2; // print bi2 value System.out.println( str ); } } Java Math BigInteger.equals() 方法 Java Math BigInteger.floatValue() 方法