new Thread() {
public void run() {
System.out.println("子线程getId:" + currentThread().getId());
}
}.start();
//或者
new Thread(() -> System.out.println("子线程getId:" + Thread.currentThread().getId())).start();
new Thread() {
public void run() {
System.out.println("子线程getId:" + currentThread().getId());
}
}.start();
//或者
new Thread(() -> System.out.println("子线程getId:" + Thread.currentThread().getId())).start();
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