球球博客

public class Main { public static void main(String[] args) { int[] array = {1,2,3,4,3,4,5}; int sum = add(array); System.out.println(sum); } public static int add...

十六进制转化为八进制import java.math.BigInteger;public class Test1 { public static void main(String[] args) { //将字符串转化为16进制数 BigInteger bigInteger = new BigInteger("62D7183A5D5789E4B2D6",16);