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Logical Programs in Java | Step-By-Step Process

Last updated on 27th Oct 2022, Artciles, Blog

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Ranjan Binny (Senior Scrum Master and Agile Coach )

Ranjan Binny is a Senior Scrum Master and Agile Coach with 7+ years of experience. He has extensive knowledge of Agile methodologies (Scrum, XP, Kanban), SDLC, database schema modeling, design patterns, SOAP, and REST web services, and experience in prioritizing, risk, and conflict management.

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    • In this article you will get
    • Introduction
    • Why use Java?
    • Straightforward Hello World Program
    • Elements of JVM
    • Stage autonomy
    • Fibonacci Series
    • Indivisible Number
    • Armstrong Number
    • Conclusion


Java is the famous programming language, made in 1995.It is claimed by an Oracle, and the multiple billion gadgets are run Java.It can be utilized for:

  • A Versatile applications (extraordinarily Android applications)
  • Work area applications
  • Web applications
  • Web servers and application servers
  • Games
  • Information base association

Why use Java?

Java deals with the various stages:

  • It is one of most famous programming language on a planet.
  • It is not complex to learn and easy to utilize.
  • It is an open-source and free.
  • It is a secure, quick and incredible.
  • It has an enormous a local area support.
  • Java is the item situated language which gives reasonable design to programs and permits a code to be reused, bringing down an advancement costs As Java is near C++ and C#, it makes it simple for the developers to change to Java or other way around.
Java Features

Straightforward Hello World Program

Hello world is the very first program which we distributed on a site. Obviously, Each Java developer or C software engineer will begin with “Hi World Program”. Followed by a remainder of a projects in various Categories.

  • class HelloWorld
  • {
  • public static void main(String args[])
  • {
  • System.out.println(“Hello World”);
  • }
  • }

Elements of JVM

It changes over a necessary piece of a bytecode into its identical executable code.It stacks are executable code into a RAM. Executes this code through a neighborhood working framework.Erases an executable code from a RAM.Additionally, same for a situation with UNIX or other or along these lines are JVM IS stage subordinate.With assistance of this course, understudies would now be able to get the partner to compose a fundamental program to inside and out calculations in a C Programming or Java Programming to comprehend are essentials one should visit a rundown 500 Java projects to get a thought.Clients would now be able to be download the best 100 Basic Java programming models in the pdf arrangement to rehearse.Yet, the stage reliance of a JVM isn’t thought of while saying Java is a stage autonomous on a grounds that JVM is provided liberated from a cost through the web by a sun microsystems.


Stage autonomy

  • Arranged code of program ought to be executed in a any working framework, regardless of OS where that code had been produced. This idea is known as a stage freedom.
  • The introduction of a idea occurred with an exemplification.
  • Any program contains a two sections.
  • Date part and a Logic part.
  • Out of an information and rationale the most noteworthy need have given to an information.
  • Yet, in an organized programming language, an information weakness is be high.
  • Along these lines in the interaction, if getting information in an organized prog. lang. The idea of a exemplification appeared.

Fibonacci Series

The Fibonacci series is a perhaps the most renowned a numerical formula. In Fibonacci series, each number is an amount of two going before the numbers.Should consider a model here :

  • 0,1,1,2,3,5,8,13,21,34,55, etc the succession proceeds.
  • import java.util.Scanner;
  • public class Fibonacci {
  • static void show fibonacci(int no){
  • int f1, f2=0, f3=1;
  • for(int i=1;i 0){
  • show fibonacci(n);
  • }else{
  • System.out.println(“Please enter positive number”);
  • }
  • }
  • }
  • Yield:
  • Enter Number: 10
  • 1
  • 1
  • 2
  • 3
  • 5
  • 8
  • 13
  • 21
  • 34
  • 55

Indivisible Number

The indivisible number in a Java : indivisible numbers are a sort of a numbers in a java which is equivalent to be one or more prominent than 1. A number is considered as the excellent when it is partitioned by a 1 or itself.

  • import java.util.Scanner;
  • public class PrimeNum{
  • public static void main(String[] args){
  • Scanner s = new Scanner(System.in);
  • System.out.println(“Enter a number : “);
  • int num = s.nextInt();
  • int i=2;
  • for(; i for(; i<10; i++){
  • if(num%i==0 && num!=i){
  • System.out.println(num+” is anything but a prime number.”);
  • break;
  • }
  • }
  • if(i==10){
  • System.out.println(num+” is a prime number.”);
  • }
  • }
  • }
  • Yield:
  • Enter a number : 17
  • 17 is an indivisible number.

Armstrong Number

  • import java.util.Scanner;
  • public class ArmstrongNumber{
  • public static void main(String[] args){
  • Scanner s = new Scanner(System.in);
  • System.out.println(“Enter a number: “);
  • int num = s.nextInt();
  • int a = num, r=0, result=0;
  • while(a!=0){
  • r = a%10;
  • a = a/10;
  • result = result + r*r*r;
  • }
  • if(result==num){
  • System.out.println(num+” is an armstrong number.”);
  • }
  • else{
  • System.out.println(num+” isn’t an armstrong number.”);
  • }
  • }
  • }
  • Yield:
  • Enter a number: 407
  • 407 is an armstrong number.


This project assists are developers in developing real-world projects in order to sharpen their talents and turn atheoretical knowledge into practical experience. Java has a major advantages as both the commercial and a teaching language. The Java project has a rigorous compile-time error checking, which is generally associated with the Pascal. This allows are educators to introduce a students to be GUI programming, networking, threads, and the other fundamental ideas utilised in modern software. Overall, a java project provides the all-inclusive design for an extended language.

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