Java多线程与并发库高级应用-传统定时器技术回顾

public class TraditionalTimerTest {
static int count = 0;
public static void main(String[] args) {

//10秒后开始执行，每隔3秒执行一次
new Timer().schedule(new TimerTask() {

@Override
public void run() {
System.out.println("bombing...");

}
}, 10000,3000);

/**
*  需求：2秒，4秒间隔执行定时任务
*/
class MyTimerTask extends TimerTask{
@Override
public void run() {
count = (count+1)%2;
System.out.println("bombing...");
new Timer().schedule(new MyTimerTask(), 2000 + 2000*count);
}
}
new Timer().schedule(new MyTimerTask(), 2000);

while(true){
try {
System.out.println(new Date().getSeconds());
Thread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

　　　　　　//对于较复杂的业务，周一~周五执行任务，周六日不执行

　　　　//quartz

} }

public class TimerTask1 extends TimerTask{

@Override
public void run() {
System.out.println("bombing...");
new Timer().schedule(new MyTimerTask2(), 4000);
}

}

public class MyTimerTask2 extends TimerTask{

@Override
public void run() {
System.out.println("bombing...");
new Timer().schedule(new TimerTask1(), 2000);
}

}

new Timer().schedule(new TimerTask1(), 2000);

while(true){
System.out.println(new Date().getSeconds());
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}