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What is Iterator in Java? Explain with example
Iterator in Java Iterator in Java - A Java Iterator is an interface that allows you to traverse through a collection of objects, such as lists or sets, one at…
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What is HashSet in Java? Explain with example
HashSet in Java HashSet in Java: A HashSet in Java is a part of the Java Collections Framework. It implements the Set interface and is backed by a HashMap. Here…
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What is HashMap in Java? Explain with example
HashMap in Java A HashMap in Java is part of the Java Collections Framework and provides the basic implementation of the Map interface. A HashMap stores data in key-value pairs,…
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Explain List Sorting in Java with example
List Sorting in Java List Sorting in Java - sorting a list can be done in several ways, with the Collections.sort() method and using Java Streams being two of the…
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LinkedList in Java and difference with ArrayList
LinkedList in Java LinkedList in Java -A LinkedList is a data structure in Java that consists of a sequence of elements, where each element is linked to its predecessor and…
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Explain ArrayList in Java with example
ArrayList in Java An ArrayList in Java is a part of the Java Collections Framework and provides a dynamic array for storing elements. Unlike arrays in Java, which have a…
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Date Time handling in Java with example
Date Time handling in Java Date Time handling in Java is a common requirement for many applications. Java provides robust classes and libraries to manage date and time, such as…
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Explain User Input in Java with suitable example
User Input in Java User Input in Java: In Java, user input is typically handled using the Scanner class, which is part of the java.util package. This class allows you…
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Explain Enums in Java and its uses with example
Enums in Java Enums in Java: In Java, an enum (short for "enumeration") is a special data type that represents a group of constants. Enums are used to define a…
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Interface in Java and what is its importance?
Interface in Java Interface in Java is a reference type, similar to a class, that is used to specify a set of abstract methods that a class must implement. Interfaces…