How to pass parameter to an already running thread in java?

Question

How to pass parameter to an already running thread in java -- not in the constructor, & probably without using wait() (possible ??)

Something similar to a comme

Answer 1

The "other thread" will have its own life, so you can't really communicate with it / pass parameters to it, unless it actively reads what you gives to it.

A thread which you allows you to communicate with it typically reads data from some buffered queue.

Have a look at ArrayBlockingQueue for instance, and read up on the Consumer-Producer pattern.