map.getordefault()
时间: 2024-04-23 10:28:47 浏览: 17
map.getOrDefault()方法是用来获取Map中指定key对应的value值。如果Map中存在该key,则返回对应的value值;如果Map中不存在该key,则返回指定的默认值defaultValue。这个方法的语法是:Map.getOrDefault(Object key, V defaultValue)。\[1\]\[2\]\[3\]
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