How to use lockInterruptibly in java

1. Description

Both threads use lockInterruptibly to acquire the lock. If thread A acquires the lock, thread B can only wait. Calling the interrupt() method on thread B canInterrupt the waiting process of thread B.

2. Note on usage

Since an exception is thrown in the declaration of lockInterruptibly(), lock.lockInterruptibly() must be placed in the try blockIn or outside the method calling lockInterruptibly() declare that InterruptedException is thrown.

3. Example

public  void  method()  throws  InterruptedException {
     lock.lockInterruptibly();
     try  {  
      //.....
     }
     finally  {
         lock.unlock();
     }  
}

When a lock is acquired through the lockInterruptibly() method, if it cannot be acquired, it is possible to respond to the interrupt only by waiting. of.

What collection classes are there in Java?

Collections in Java are mainly divided into four categories:

1. List: ordered, repeatable;

2. Queue: ordered and repeatable;

3. Set: non-repeatable;

4. Map: unordered, with unique keys and non-unique values.

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