5.（选做）跑一跑课上的各个例子，加深对多线程的理解

bl03615 · bl03615 · commit 1819261e9888 · 2021-08-23T00:19:22.000+08:00
diff --git a/02nio/nio02/src/main/java/thread/github/pxd/TestDemonThread.java b/02nio/nio02/src/main/java/thread/github/pxd/TestDemonThread.java
@@ -0,0 +1,29 @@
+package thread.github.pxd;
+
+public class TestDemonThread {
+
+    public static void main(String[] args) {
+
+        Runnable task = () -> {
+
+            try {
+                Thread.sleep(5000);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+
+            Thread t = Thread.currentThread();
+            System.out.println("当前线程:" + t.getName());
+
+        };
+
+        Thread thread = new Thread(task);
+        thread.setName("test-thread-1");
+
+        //这个地方如果是守护线程，那么进程里所有的线程都是守护线程，则会在进程结束的时候，会清理掉所有线程
+        //thread.setDaemon(true);
+        thread.start();
+
+    }
+
+}
diff --git a/02nio/nio02/src/main/java/thread/github/pxd/ThreadJoinTest.java b/02nio/nio02/src/main/java/thread/github/pxd/ThreadJoinTest.java
@@ -0,0 +1,41 @@
+package thread.github.pxd;
+
+public class ThreadJoinTest {
+
+    public static void main(String[] args) {
+
+        Runnable task = () -> {
+
+            try {
+                Thread.sleep(5000);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+
+            Thread t = Thread.currentThread();
+            System.out.println("当前线程:" + t.getName());
+
+        };
+
+        Thread thread1 = new Thread(task);
+        thread1.setName("test-thread-1");
+
+        Thread thread2 = new Thread(() -> {
+            try {
+                Thread t = Thread.currentThread();
+                System.out.println("当前线程:" + t.getName());
+
+                thread1.join();
+
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+
+        });
+        thread2.setName("test-thread-2");
+
+        thread1.start();
+        thread2.start();
+    }
+
+}
