How to solve wait call interruption in java

1. Solution

(1) When using java threads, the wait method will often be used, and if it is interrupted when the wait method is called, the jvm will capture the interruption and Continue to call the wait instruction.

(2) Even if you use the interrupt sending method at this time, no effect will occur.

(3) The wait method needs to be encapsulated, catch the exception, and then stop executing the exception.

2. Example

public static void wait(Object obj) {
        boolean interrupted = true;
        while (interrupted) {
            interrupted = false;
            try {
                obj.wait();
            }
            catch (InterruptedException e) {
                interrupted = true;
            }
        }
    }
 
    public static void wait(Object obj, int timeout) {
        boolean interrupted = true;
        long startTime = System.currentTimeMillis();
        int sleepTimeout = timeout;
 
        while (interrupted) {
            interrupted = false;
            try {
                obj.wait(sleepTimeout);
            }
            catch (InterruptedException e) {
                interrupted = true;
                long now = System.currentTimeMillis();
                sleepTimeout -= now - startTime;
                startTime = now;
                if (sleepTimeout < 0) {
                    interrupted = false;
                }
            }
        }
}

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