Java Program Beginners
Reading Time: 9 minutesA Beginner’s Guide to Java Programming: Building Your First Java Program Java, a versatile and powerful programming language, has been a popular choice for beginners and seasoned developers alike. If you’re new to programming or looking to explore a language with a vast ecosystem, Java is an excellent starting point. In this guide, we’ll walk […]
Java Program for Pattern
Reading Time: 4 minutesIntroduction: The Java program is designed to print a right-angled triangle made of stars. The number of rows in the triangle is adjustable, allowing users to control the size of the pattern. Algorithm: Class Definition: The program begins with the definition of a class named StarPattern. Main Method: The main method is the entry point […]
Java Program for Armstrong number
Reading Time: 7 minutesIntroduction: The provided Java program is designed to determine whether a given number is an Armstrong number or not. An Armstrong number, also known as a narcissistic number, is a number that is equal to the sum of its own digits each raised to the power of the number of digits in the number. This […]
Fibonacci Java Program
Reading Time: 4 minutesIntroduction : The provided Java program generates the Fibonacci sequence up to a specified number of terms. The Fibonacci sequence is a series of numbers where each number is the sum of the two preceding ones, usually starting with 0 and 1. The user is prompted to input the number of terms they want in […]
Java Program to Reverse a Number
Reading Time: 7 minutesIntroduction: This Java program is designed to reverse the digits of a given integer. It prompts the user to input a number, then uses a simple algorithm to reverse the digits of that number and finally displays the reversed result. Algorithm: Input: The program starts by using the Scanner class to take an integer input […]
Date Java Program
Reading Time: 7 minutesIntroduction: The provided Java program is a simple date validation tool. It prompts the user to input a date in the “dd/mm/yyyy” format, validates the entered date, and then provides feedback on whether the date is valid or not. The validation is done using the SimpleDateFormat class in Java. Algorithm: Import Statements: Import necessary classes […]
Java Program with Constructor
Reading Time: 6 minutesIntroduction: The provided Java program defines a Person class with fields for a person’s name and age. It includes a constructor to initialize these fields and a method to display the person’s information. In the main method, an instance of the Person class is created, and the information is displayed. Algorithm: Class Definition: Define a […]
Java Program with Switch Case
Reading Time: 7 minutesIntroduction: The provided Java program is a simple console-based application that prompts the user to enter a number between 1 and 7. The program then uses a switch case statement to determine the corresponding day of the week based on the user’s input and prints the result. Algorithm: Import the Scanner class to read user […]
Java Program Polymorphism Example
Reading Time: 9 minutesIntroduction: This Java program serves as an example of polymorphism, a fundamental concept in object-oriented programming. Polymorphism allows objects of different types to be treated as objects of a common base type, facilitating flexibility and extensibility in software design. In this example, we have a hierarchy of shapes—Shape, Circle, and Square—to illustrate how polymorphism works. […]
Java Program to Remove Duplicate Elements in an Array
Reading Time: 7 minutesIntroduction: The provided Java program aims to remove duplicate elements from an array using a HashSet. Duplicate elements can be problematic in various scenarios, and having a clean array without duplicates is often necessary. The HashSet data structure is employed to efficiently store unique elements while iterating through the original array. Algorithm: Initialization: Create an […]