The Hashtable class implements a hash table, which maps keys to values. Any non-null object can be used as...
The Hashtable class implements a hash table, which maps keys to values. Any non-null object can be used as...
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HashMap is a part of Java’s collection since Java 1.2. It provides the basic implementation of Map interface of...
HashMap is a part of Java’s collection since Java 1.2. It provides the basic implementation of Map interface of...
HashMap is a part of the java collections framework. It internally uses hashing technique. This post contains different ways...
HashMap is a part of the java collections framework. It internally uses hashing technique. This post contains different ways...
In this article, we will see how hashmap’s get and put method works internally. What operations are performed. How...
In this article, we will see how hashmap’s get and put method works internally. What operations are performed. How...
The ConcurrentHashMap class is introduced in JDK 1.5 belongs to java.util.concurrent package, which implements ConcurrentMap as well as to...
The ConcurrentHashMap class is introduced in JDK 1.5 belongs to java.util.concurrent package, which implements ConcurrentMap as well as to...
util.Dictionary is an abstract class, representing a key-value relation and works similiar to a map. Given a key you...
util.Dictionary is an abstract class, representing a key-value relation and works similiar to a map. Given a key you...
The IdentityHashMap implements Map interface using Hashtable, using reference-equality in place of object-equality when comparing keys (and values). This...
The IdentityHashMap implements Map interface using Hashtable, using reference-equality in place of object-equality when comparing keys (and values). This...
The LinkedHashMap is just like HashMap with an additional feature of maintaining an order of elements inserted into it....
The LinkedHashMap is just like HashMap with an additional feature of maintaining an order of elements inserted into it....
ImmutableMap, as suggested by the name, is a type of Map which is immutable. It means that the content...
ImmutableMap, as suggested by the name, is a type of Map which is immutable. It means that the content...
WeakHashMap is the Hash table based implementation of the Map interface, with weak keys. An entry in a WeakHashMap...
WeakHashMap is the Hash table based implementation of the Map interface, with weak keys. An entry in a WeakHashMap...