package org.jimmy.autosearch2019.test; import java.security.SecureRandom; import javax.crypto.Cipher; import javax.crypto.KeyGenerator; import javax.crypto.SecretKey; import javax.crypto.spec.SecretKeySpec; public class TestAes2019052801 { public sta
编写高质量代码:改善Java程序的151个建议 --[117~128] Thread 不推荐覆写start方法 先看下Thread源码: public synchronized void start() { // 判断线程状态,必须是为启动状态 /** * This method is not invoked for the main method thread or "system" * group threads created/set up by the VM. Any new