dead-lock

Author: CodePrometheus

DeadLock/src/DeadLock_2.java

@@ -0,0 +1,44 @@
+/**
+ * @Author: Starry
+ * @Date: 05-08-2022 15:16
+ */
+public class DeadLock_2 {
+
+    private static Object resourceA = new Object(), resourceB = new Object();
+
+    public static void main(String[] args) {
+        Thread A = new Thread(() -> {
+            synchronized (resourceA) {
+                System.out.println(Thread.currentThread().getName() + " Get A --> ");
+                try {
+                    Thread.sleep(1000);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+                System.out.println(Thread.currentThread().getName() + " Waiting Get B --> ");
+                synchronized (resourceB) {
+                    System.out.println(Thread.currentThread().getName() + " Get B --> ");
+                }
+            }
+        });
+
+        Thread B = new Thread(() -> {
+            // A B 顺序改变即可解除死锁
+            synchronized (resourceB) {
+                System.out.println(Thread.currentThread().getName() + " Get B --> ");
+                try {
+                    Thread.sleep(1000);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+                System.out.println(Thread.currentThread().getName() + " Waiting Get A --> ");
+                synchronized (resourceA) {
+                    System.out.println(Thread.currentThread().getName() + " Get A --> ");
+                }
+            }
+        });
+        A.start();
+        B.start();
+    }
+
+}