摘要： 文中首先介绍了进程与线程的区别，多线程的优势；多线程增加了运行的并行性，也引出了一些新问题，如方法和变量需要安全保护，介绍了Java中多线程的同步问题、原子操作、如何创建和挂起线程。

关键词: 进程, 线程, 同步, 原子操作

Abstract: This paper introduces the Process and Thread, advantages of multithread.The parallelism of Multithread is powerful, but introduces new problem-methods and variables need to be protected,so this paper give out how to do this with atomic operation,and finally how to create and suspend a thread in Java.

中图分类号: 

• TP312