public void testAsyncSimple() throws InterruptedException { System.out.println("-----start-----"); asyncService.testAsyncSimple(); System.out.println("-----end-----"); } } public class TestAsyncService { private
Oracle Java 是第一大编程语言和开发平台。它有助于企业降低成本、缩短开发周期、推动创新以及改善应用程序服务。Java 现在仍是企业和开发人员的首选开发平台。 用于运行桌面应用程序的 Java 面向使用台式机和笔记本电脑的最终用户 下载适用于台式机的 Java
JButton game_start = new JButton(); game_start.setText("开始"); game_start.setForeground(Color.red); game_start.setFont(font1); game_start.setBounds(0, 0, 150, 30); game_start.setBackground(new Color(135, 206, 250)); game_start.setFocusable(false); container.add(game_start); /...
{publicint[][] maps;//二维数组的地图publicintwidth;//地图的宽publicinthight;//地图的高publicNode start;//起始结点publicNode end;//最终结点publicMapInfo(int[][] maps,intwidth,inthight, Node start, Node end) {this.maps =maps;this.width =width;this.hight =hight;this.start =start;this.e...
let the agent learning how to drive totally by itself, here is a demo in Carla simulator.End-...
利用ASM的CoreAPI来增强类。这里不纠结于AOP的专业名词如切片、通知,只实现在方法调用前、后增加逻辑,通俗易懂且方便理解。首先定义需要被增强的Base类:其中只包含一个process()方法,方法内输出一行“process”。增强后,我们期望的是,方法执行前输出“start”,之后输出"end"。
} //判断选择的日期是否是本年 public static boolean isThisYear(Date time) { return isThisTime(time, "yyyy"); } //判断选择的日期是否是本季度 public static boolean isThisQuarter(Date time) { Date QuarterStart = getCurrentQuarterStartTime(); Date QuarterEnd = getCurrentQuarterEndTime(); retu...
Once the Java Sustaining Engineering team got involved, collaborating with Oracle Support, they were able to pinpoint what was causing the issue and what changes to make in order to resolve the issue. Outcome This solution was provided very quickly, and we received kudos from the end user’s...
util.concurrent.locks.ReentrantLock;publicclassLockDemo {privatestaticfinalintTHREAD_NUM=3;privatestaticLocklock=newReentrantLock();publicstaticvoidmain(String[] args) {Threadt1=newThread(() -> {try {lock.lock();System.out.println("T1 start");Thread.sleep(1000);System.out.println("T1 end");...
int middle = (start + end) / 2; CountTask leftTask = new CountTask(start, middle); CountTask rightTask = new CountTask(middle + 1, end); leftTask.fork(); // 执行子任务 rightTask.fork(); int leftResult = leftTask.join(); // 等待子任务执行完毕 int rightResult = rightTask.join...