java死锁如何排查
package com.example.testdemo.juc;
public class DeadLockTest {
public static void main(String[] args) {
Object A = new Object();
Object B = new Object();
Thread threadA = new Thread(() -> {
synchronized (A){
System.out.println(Thread.currentThread().getName()+"持有A锁，希望获得B锁");
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
synchronized(B){
System.out.println(Thread.currentThread().getName()+"获取B锁成功");
}
}
},"A");
Thread threadB = new Thread(() -> {
synchronized (B){
System.out.println(Thread.currentThread().getName()+"持有B锁，希望获得A锁");
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
synchronized(A){
System.out.println(Thread.currentThread().getName()+"获取A锁成功");
}
}
},"B");
threadA.start();
threadB.start();
}
}