Category: Java

You've been given a string S made up of lowercase Latin letters; find the first non-repeating character in S. In this article, we will delve deeper into the various techniques...

Converting numbers to words is a process of representing numerical values using their corresponding textual representation. For example, converting the number 123 to words would result in "one hundred twenty-three"....

To check balanced parentheses is a simple interview question in which we are asked to determine whether or not the given string (of brackets) is balanced. The traditional method is...

A number is said to be a Strong number if the sum of factorials of its digits equals the same input number. To be more specific, we must find the...

Infix to prefix conversion is a fundamental concept in computer science, particularly in the fields of data structures and compilers. In infix notation, operators are placed between operands (e.g., A...

POJO stands for Plain Old Java Object. It is a term used to describe a Java class that follows simple conventions and does not depend on any specific frameworks or...

Dynamic binding in Java refers to the process of determining the specific implementation of a method at runtime, based on the actual type of the object being referred to, rather...

One of the most fundamental programs is to add the digits of a number. The idea at play here aids in comprehending how loops work. The simplest way to find...

String manipulation is an essential aspect of programming, particularly when it comes to text processing and data analysis. In many cases, it becomes necessary to transform strings to extract meaningful...

Kadane's Algorithm is a fundamental algorithm in computer science used for efficiently finding the maximum subarray sum in a given array of numbers. This algorithm was introduced by Ulf Grenander...

Insertion sort is a simple sorting algorithm that builds the final sorted array one item at a time. It is efficient for sorting small arrays or nearly sorted arrays and...

We'll go over how to use for and while loops to print a hollow square star pattern in Java. This pattern is frequently used in programming exercises and is a...

A number is an arithmetical value used in calculations and counting that represents a certain quantity. It is communicated by words, symbols, or figures. For centuries, people have used these...

The greatest number that evenly divides both two integers is known as the highest common factor (HCF). It is also known as the greatest common divisor (GCD) of the two...

A collection of items stored in consecutive places in memory is known as an array. The goal is to group objects of the same category for storage. For ease of...

Sorting elements in an array is a common operation in programming. Java provides several built-in methods and algorithms for sorting arrays efficiently. In this article, we'll explore how to write...

In mathematics, a perfect number is a positive integer that, excluding the original value, equals the sum of all of its positive divisors. For instance, the integers 1, 2, and...

The lowest number which is a multiple of all the supplied numbers is known as the Least Common Multiple or LCM, of a collection of integers in mathematics. In Java,...

Generating all permutations of a string is a common problem in computer science, particularly in the fields of algorithms and combinatorics. A permutation of a string is a rearrangement of...

In Java, finding the smallest element in an array involves iterating through each element and keeping track of the smallest value found so far. The process can be done using...

ASCII is an acronym that stands for American Standard Code for Information Interchange. In ASCII, different characters and symbols are assigned a specific numerical value for computers to store and...

The letters 'a', 'e', 'i', 'o', and 'u' in the English alphabet are vowels, while the remaining letters are consonants. We'll go over how to determine whether a given letter...

Java is a popular programming language used for developing a wide range of applications, from simple command-line tools to complex enterprise systems. One common task in programming is finding the...

In mathematics, the prime factors of a natural number are the prime numbers that divide the number exactly, without leaving a remainder. Finding the prime factors of a number is...

In computer programming, finding the factorial of a number is a common problem that can be solved using various methods. One of the most elegant and intuitive ways to calculate...

In mathematics and computer science, factors of a number are integers that can be multiplied together to produce the original number. Understanding and finding the factors of a number is...

Checking whether a number is a perfect square is a fundamental operation in mathematics and programming. A perfect square is an integer that is the square of another integer. In...

Binary to decimal conversion is a common operation in computer programming, especially when dealing with binary data or bitwise operations. In Java, you can easily convert a binary number to...

This article discusses a program that determines if a given number is abundant or not. A number is said to be plentiful if the total of its appropriate divisors exceeds...

In Java programming, ArrayList is a widely used data structure that provides dynamic array-like functionality. It belongs to the Java Collections Framework and allows for the creation of resizable arrays,...