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6個(gè)狀態(tài)定義:java.lang.Thread.State
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Thread thread1 = new Thread(new Runnable() {
@Override
public void run() {
System.out.println("thread1當(dāng)前狀態(tài):" + Thread.currentThread().getState().toString());
System.out.println("thread1 執(zhí)行了");
}
});
System.out.println("沒(méi)調(diào)用start方法,thread1當(dāng)前狀態(tài):" + thread1.getState().toString());
thread1.start();
Thread.sleep(2000L); // 等待thread1執(zhí)行結(jié)束,再看狀態(tài)
System.out.println("等待兩秒,再看thread1當(dāng)前狀態(tài):" + thread1.getState().toString());Thread thread2 = new Thread(new Runnable() {
@Override
public void run() {
try {// 將線程2移動(dòng)到等待狀態(tài),1500后自動(dòng)喚醒
Thread.sleep(1500);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println("thread2當(dāng)前狀態(tài):" + Thread.currentThread().getState().toString());
System.out.println("thread2 執(zhí)行了");
}
});
System.out.println("沒(méi)調(diào)用start方法,thread2當(dāng)前狀態(tài):" + thread2.getState().toString());
thread2.start();
System.out.println("調(diào)用start方法,thread2當(dāng)前狀態(tài):" + thread2.getState().toString());
Thread.sleep(200L); // 等待200毫秒,再看狀態(tài)
System.out.println("等待200毫秒,再看thread2當(dāng)前狀態(tài):" + thread2.getState().toString());
Thread.sleep(3000L); // 再等待3秒,讓thread2執(zhí)行完畢,再看狀態(tài)
System.out.println("等待3秒,再看thread2當(dāng)前狀態(tài):" + thread2.getState().toString());Thread thread3 = new Thread(new Runnable() {
@Override
public void run() {
synchronized (Demo2.class) {
System.out.println("thread3當(dāng)前狀態(tài):" + Thread.currentThread().getState().toString());
System.out.println("thread3 執(zhí)行了");
}
}
});
synchronized (Demo2.class) {
System.out.println("沒(méi)調(diào)用start方法,thread3當(dāng)前狀態(tài):" + thread3.getState().toString());
thread3.start();
System.out.println("調(diào)用start方法,thread3當(dāng)前狀態(tài):" + thread3.getState().toString());
Thread.sleep(200L); // 等待200毫秒,再看狀態(tài)
System.out.println("等待200毫秒,再看thread3當(dāng)前狀態(tài):" + thread3.getState().toString());
}
Thread.sleep(3000L); // 再等待3秒,讓thread3執(zhí)行完畢,再看狀態(tài)
System.out.println("等待3秒,讓thread3搶到鎖,再看thread3當(dāng)前狀態(tài):" + thread3.getState().toString());