Posted inJava
Wrapper Classes in Java and its uses
Wrapper Classes in Java Wrapper Classes in Java - wrapper classes provide a way to use primitive data types (like int, char, boolean, etc.) as objects. Each of the eight…
Posted inJava
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…
Posted inJava
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…
Posted inJava
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,…
Posted inJava
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…
Posted inJava
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…
Posted inJava
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…
Posted inJava
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…
Posted inJava
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…
Posted inJava
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…