//首先我們先定義兩個final的對象鎖.可以看做是共有的資源.
 final Object lockA = new Object();
 final Object lockB = new Object();
//生產(chǎn)者A
 class ProductThreadA implements Runnable{
   @Override
   public void run() {
//這里一定要讓線程睡一會兒來模擬處理數(shù)據(jù) ,要不然的話死鎖的現(xiàn)象不會那么的明顯.這里就是同步語句塊里面,首先獲得對象鎖lockA,然后執(zhí)行一些代碼,隨后我們需要對象鎖lockB去執(zhí)行另外一些代碼.
     synchronized (lockA){
     //這里一個log日志
       Log.e("CHAO","ThreadA lock lockA");
       try {
         Thread.sleep(2000);
       } catch (InterruptedException e) {
         e.printStackTrace();
       }
       synchronized (lockB){
        //這里一個log日志
         Log.e("CHAO","ThreadA lock lockB");
         try {
           Thread.sleep(2000);
         } catch (InterruptedException e) {
           e.printStackTrace();
         }

       }
     }
   }
 }
 //生產(chǎn)者B
 class ProductThreadB implements Runnable{
 //我們生產(chǎn)的順序真好好生產(chǎn)者A相反,我們首先需要對象鎖lockB,然后需要對象鎖lockA.
   @Override
   public void run() {
     synchronized (lockB){
      //這里一個log日志
       Log.e("CHAO","ThreadB lock lockB");
       try {
         Thread.sleep(2000);
       } catch (InterruptedException e) {
         e.printStackTrace();
       }
       synchronized (lockA){
        //這里一個log日志
         Log.e("CHAO","ThreadB lock lockA");
         try {
           Thread.sleep(2000);
         } catch (InterruptedException e) {
           e.printStackTrace();
         }

       }
     }
   }
 }
 //這里運行線程
ProductThreadA productThreadA = new ProductThreadA();
ProductThreadB productThreadB = new ProductThreadB();

   Thread threadA = new Thread(productThreadA);
   Thread threadB = new Thread(productThreadB);
   threadA.start();
   threadB.start();

10-20 14:54:39.940 18162-18178/? E/CHAO: ThreadA lock lockA
10-20 14:54:39.940 18162-18179/? E/CHAO: ThreadB lock lockB