多线程死锁的简单使用:
public class MyLock{
public static final Object locka=new Object();
public static final Object lockb=new Object();
public static final Object lockc=new Object();
public static final Object lockd=new Object();
}
package day_12_01_Thread;
/**
* 死锁的情况
*
* @author Administrator
*
*/
public class TestSynchronized implements Runnable {
public static void main(String[] args) {
TestSynchronized s = new TestSynchronized();
Thread t1 = new Thread(s);
Thread t2 = new Thread(s);
t1.start();
t2.start();
}
@Override
public void run() {
int i = 0;
while (true) {
if (i % 2 == 0) {
synchronized (MyLock.locka) {
System.out.println("if.......locka");
synchronized (MyLock.lockb) {
System.out.println("if ...........lockb");
}
}
} else {
synchronized (MyLock.lockb) {
System.out.println("else..........lockb");
synchronized (MyLock.locka) {
System.out.println("else..........locka");
}
}
}
i++;
}
}
}