public class TraditionalThread {
/**
* @param args
*/
public static void main(String[] args) {
Thread thread = new Thread() {
@Override
public void run() {
while (true) {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(Thread.currentThread()。getName());
}
}
};
thread.start();
Thread thread2=new Thread(new Runnable(){
@Override
public void run() {
while (true) {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(Thread.currentThread()。getName());
}
}
});
thread2.start(); //让第二个线程也运行,则他就执行Thread()内部的run()方法。
new Thread( new Runnable(){
public void run() {
while (true) {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(“runnable:” Thread.currentThread()。getName());
}
};
}
){
public void run() {
while (true) {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(“Thread:” Thread.currentThread()。getName());
}
};
}.start();
}
}
创建线程的两种方式:
1.在Thread子类覆盖的run方法中编写运行代码
2.在传递给Thread对象的Runnable对象的run方法中编写代码
总结
查看Thread类的run()方法的源码,可以看到其实这两种方式都是在调用Thread对象的run()方法,如果Thread类的run()方法没有被覆盖,并且为该Thread对象设置了一个Runnable对象,该run方法会调用Runnable对象的run()方法。