PriorityQueue in Java
A PriorityQueue in Java is a queue or collection of elements in which elements are stored in order of their priority. It is an abstract data type similar to an ordinary queue except for its removal algorithm. An ordinary queue…
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Queue in Java
A Queue in Java is a collection of elements that implements the “First-In-First-Out” order. In simple words, a queue represents the arrangement of elements in the first in first out (FIFO) fashion. That means an element that is stored as…
SortedMap in Java
SortedMap in Java is an interface that is a subinterface of Map interface. The entries in the map are maintained in sorted ascending order based on their keys. In simple words, it guarantees that the entries are maintained in ascending…
50 Cell Biology MCQ Questions with Answers
Here, we have compiled the best collection of top 50 cell biology MCQ questions with answers. These multiple-choice questions have been asked in various competitive exams, such as SSC CGL, RRB, Group D, NDA, BSNL, IES, and many more. You…
Properties in Java
Properties in Java is a class that is a child class (subclass) of Hashtable. It is mainly used to maintain the list of values in which key and value pairs are represented in the form of strings. In other words,…
Hashtable in Java
Hashtable class in Java is a concrete implementation of abstract Dictionary class. It is a data structure similar to Java HashMap that can store a collection of elements (objects) in the form of key-value pairs (entries). Key objects must implement…
EnumMap in Java
EnumMap in Java is a concrete class that provides Map implementation whose keys are of the enum type. All the keys in the EnumMap must originate from a single enum type that is specified, implicitly or explicitly, when the map…
Build Your Career As Automobile Engineer In India
Being an automobile engineer is a dream for many Indian students. It is mostly the career choice of students who are passionate about vehicles and how they operate. However, to be a full-fledged automobile engineer, you need more than passion;…
IdentityHashMap in Java
IdentityHashMap in Java is a concrete class that is similar to HashMap except that it uses reference equality (==) when comparing entries (keys and values). In simple words, Java IdentityHashMap uses reference equality (==) instead of object equality (equals() method)…