Android studio不会在新线程中打印

我正试图调试一个数据库进程，但Android studio似乎没有将新线程中的语句打印到控制台。比如说

            System.out.println("About to start new thread"); //this gets printed to the console

            new Thread(new Runnable() {
                public void run() {

                    ContactsDatabase db = ContactsDatabase.getContactsDatabase(getApplicationContext());
                    db.contactDao().insertAll(contact);
                    db.close();
                    System.out.println("Inside new thread"); //this doesn't get printed, why not?


                }
            });

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我完全卡住了。我做的事情真的很愚蠢吗？

你需要在最后调用

.start（）

System.out.println("About to start new thread"); //this gets printed to the console
        new Thread(new Runnable() {
            @Override
            public void run() {
                System.out.println("Inside new thread"); //this doesn't get printed, why not?
            }
        }).start();

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您是否考虑过改用android.util.Log？