如下这几行代码什么意思？

Question

Thread thread1 = new Thread(t1, "加线程1");
Thread thread2 = new Thread(t1, "加线程2");
Thread thread3 = new Thread(t2, "减线程1");
Thread thread4 = new Thread(t2, "减线程2");

Answer 1

分别新建了Thread类的对象thread1、thread2、thread3、thread4对象，里面是两个参数，这两个参数的具体作用还要看Thread类中是怎么使用的才能知道