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The Java HashSet class is used to create a collection that stores data in a hash table. It derives from AbstractSet and implements the Set interface. This class allows for the null element. The class also provides constant time performance for fundamental operations such as add, delete, contains, and size, assuming the hash function properly […]
July 29, 2022 | Java | No comments
The java.util package contains the collection foundation component ArrayList. In Java, it offers us dynamic arrays. Although it might be slower than conventional arrays, it can be useful in programs that require a lot of array manipulation. The java.util package contains this class. Java ArrayList class Declaration: crucial things to keep in mind: Duplicate elements […]
July 23, 2022 | Java | No comments
You will frequently wish to repeat the collection’s pieces. You might want to show each element, for instance. Using an iterator—an object that implements either the Iterator or the ListIterator interface—is the simplest way to accomplish this. You can cycle over a collection using an iterator, adding or removing elements as you go. ListIterator is […]
July 22, 2022 | Java | No comments
What is a collection in Java? Java’s Collection framework offers an architecture for storing and managing a collection of objects. All data actions, including searching, sorting, insertion, manipulation, and deletion, are possible with Java Collections. What is the Collection Framework?The Collection framework is an integrated architecture for managing a collection of things. It has: Interfaces […]
July 19, 2022 | Java | No comments