HashMap with Null Key and Null Value
HashMap having null as key
HashMap get gives null with String as key get in Hashmap returns null ArrayOutOfBound and null value Why is this value null? JAVA class null value Hashmap get function returns null Hashmap returns null only on the first try Java HashMap.get() returns null when I create a new instance of an object as a key Java: HashMap.get returns null Java hashmap returns null What is null in Java? Why does this HashMap.get return a null? Getting value by key in hashmap returns null Null or Not Null JNINativeInterface_ * is null Java Null value Why null value in my HashMap? null check for hashmap key What is the use of adding a null key or value to a HashMap in Java? (a != null) or (null != a) What is the class of null? How to remove “Null” key from HashMap<String, String>? Java- HashMap.get returns null when it shouldn't Why HashMap's get() returns null when it shouldn't? Hashmap null convert to int Hashmap, the values are null What is null :Java? Is (null != key) the same as (key != null)