Answer Posted / @dania@

Two threads can communicate with each other using
the wait() and notify() , notifyAl() methods. wait()
method tells the thread to wait until another threads
calls notify() method

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1049

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1024

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996

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1187

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Is arraylist an object in java?

1165

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962

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1131

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1179

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1019

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1029

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1079

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