摘要:
1、两整数之和 class Solution { public int getSum(int a, int b) { while (b != 0) { // b代表进位 int carry = (a & b) << 1; a = a ^ b; b = carry; } return a; } } 2 阅读全文
摘要:
CAS AtomicInteger public class AtomicInteger extends Number implements java.io.Serializable { private static final long serialVersionUID = 62147902434 阅读全文