java 大數的學習
阿新 • • 發佈:2018-05-04
vid 字符串 [] imp gen system.in 進制 light brush
import java.math.*; import java.util.*; public class study { public static void main(String[] args) { // TODO Auto-generated method stub Scanner cin = new Scanner(System.in); BigInteger a, b; while(cin.hasNext()) { //循環讀入,到文件尾 a = cin.nextBigInteger(); b = cin.nextBigInteger(); System.out.println(a.add(b)); // 加 System.out.println(a.subtract(b)); //減 System.out.println(a.multiply(b)); // 乘 System.out.println(a.divide(b)); // 除 System.out.println(a.remainder(b)); //取模 // 大整數比較 if (a.compareTo(b) == 0) System.out.println("a == b"); else if (a.compareTo(b) > 0) System.out.println("a > b"); else if (a.compareTo(b) < 0) System.out.println("a < b"); //大整數絕對值 System.out.println(a.abs()); //大整數a的絕對值 //大整數的冪 int p = 10; System.out.println(a.pow(p)); //大整數a的p次冪 //返回大整數10進制表示的字符串 System.out.println(a.toString()); //返回大整數k進制的字符串表示 int k = 8; System.out.print(a.toString(k)); } } }
java 大數的學習