How to Create a File with a Specific charset in Java ?

Hardy-Ramanujan Theorem in Java

There is nothing more enchanting in Number Theory say the Hardy-Ramanujan theorem. It shows how truly the numbers have been distributed with relation to prime factors. Discussed by Hardy in 1917 based on observations made by Srinivasa Ramanujan the theorem maintains that ω(n) = number of...

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Alien Dictionary Problem in Java

The Alien Dictionary problem determines the order of characters in an unknown language by analyzing a sorted list of words. It constructs a directed graph based on character precedence, detects cycles to ensure a valid order exists, and applies topological sorting to find the correct sequence...

6 min read

Sliding Puzzle Game in Java

The sliding puzzle game is a classic and entertaining puzzle that has captivated people for generations. The objective of the game is to arrange the numbered tiles in the correct order by sliding them into the empty space. It seemingly simple task becomes increasingly challenging as...

8 min read

Find the Maximum Difference Between a Node and Its Ancestor in Java

In a binary tree, the greatest difference between a node and its ancestor is the highest value achieved by subtracting the value of a descendant node from one of its ancestor nodes. An ancestor of a node is any node located along the route from the...

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Online Java Compiler

An online compiler is a cloud-based IDE that helps the developer to compile and execute a Java program online without installing the JDK in the local system. In this section, we will discuss some popular online Java compilers that are available free of cost. The popular online...

6 min read

Implementation Of Abstraction In Java

Introduction Abstraction is the process of hiding the details of an entity and focusing on the essential characteristics of the entity. In object-oriented programming, abstraction is an important concept that helps developers to model real-world entities in the code. The Java language completely incorporates abstraction, a key idea...

4 min read

Types of Arrays in Java

An array is a linear data structure in Java. It allows us to store multiple values of the same data type. They are used as objects in Java. For primitive data types such as int or char, the original values are stored in memory locations....

8 min read

Can We Extend Final Method in Java

? Java Final Methods The final keyword in Java can be used to prohibit method overriding, declare constants, and stop inheritance. A method that is marked as final indicates that subclasses are not allowed to override it. It can be very helpful in a number of situations,...

3 min read

Multilevel Inheritance in Java

In Java, inheritance enables a class to take on behaviors and functions from another class, known as the parent class or superclass. The child class, often known as a subclass, is the class that receives these features from the parent class. It indicates that the subclass...

4 min read

Multiset Implementation in Java Using Treemap

In Java, when organizing collections containing duplicate elements and for counting the frequency of elements with the help of a Multiset. The Java SE does not support Multiset as an interface in its standard library, but it can be supported by third-party frameworks such as Google...

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