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A HashSet in Java is a part of the Java Collections Framework and provides a way to store unique elements. It is part of the java.util package and...
A HashMap in Java is a part of the Java Collections Framework and provides a way to store key-value pairs, where keys are unique. It is part of the...
A Queue in Java is an interface that represents a collection designed for holding elements before processing, following the First-In-First-Out (FIFO)...
A Stack in Java is a data structure that follows the Last-In-First-Out (LIFO) principle. This means that the last element added to the stack will be...
A LinkedList in Java is another implementation of the List interface, but unlike ArrayList, it is a doubly-linked list. This means each element in the...
ArrayList is a fundamental part of the Java Collections Framework, providing a dynamic array implementation of the List interface. It allows for...