[英]Atomic assignment of long value in java
我有一個用例來更新 long 變量中事件的紀元時間。 這個變量也會有很多並發讀取和寫入。 以下是詳細要求:
哪種替代方案更適合我的用例:
(x,y) -> y
使用AtomicLong因為它有助於避免顯式鎖定的額外開銷
AtomicLong
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