Java Math Biginteger ToString_radix Java Math BigInteger.toString() 方法 Java Math BigInteger.valueOf() 方法 Java Math Biginteger ToString_radix package com.codingdict; import java.math.*; public class BigIntegerDemo { public static void main(String[] args) { // create 2 BigInteger objects BigInteger bi1, bi2; // create 2 String objects String s1, s2; bi1 = new BigInteger("16"); bi2 = new BigInteger("-16"); // assign String value of bi1, bi2 to s1, s2 using radix s1 = bi1.toString(8); // octal value of bi1 s2 = bi2.toString(2); // binary value of bi2 String str1 = "String value of " +bi1+ " in radix 8 is " +s1; String str2 = "String value of " +bi2+ " in radix 2 is " +s2; // print s1, s2 values System.out.println( str1 ); System.out.println( str2 ); } } Java Math BigInteger.toString() 方法 Java Math BigInteger.valueOf() 方法