My husband has to wean off his Dilaudid prescription slowly. He was taking 4mg every 4 hours during the day for a total of 20mg to control pain. He has dropped 2mg a day and is now on 14mg.
Array inside Array. Arrays.equals() method does not compare recursively if an array contains another array on other hand Arrays.deepEquals() method compare recursively if an array contains another array. Arrays.equals() check is if element is null or not and then calls equals() method, it does not check for Array type.
How does get() method of HashMap works, if two keys have the same hashCode? This is the follow-up of previous interview questions on equals and hashcode, in fact, sometimes this leads to a discussion of the earlier point. When two key return same hashcode, they end up in the same bucket.