Category Archives: Basic Java Programs

Java Simple Calculator Program Using Switch

Java Simple Calculator Program Using Switch statement – We will write a simple Java calculator program. This  program will start by taking input from the user – two numbers and one operator. The operator will be from basic four operations like addition, subtraction, multiplication and division (+, – , * , / ). Source Code… Read More: Java Simple Calculator Program Using Switch »

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Java Vowel Count in String Program

Task: Write a Java program to count vowels in a given string input by the user at runtime. The Source Code of Java Vowel Count Program /* * Write down a Java program to input a string. * And count number of Vowels in it. */ package countvowelsinstring; import java.util.Scanner; /** * * @author www.EasyCodeBook.com… Read More: Java Vowel Count in String Program »

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Java Palindrome String Check

Task: Write down a Java String Program to check for Palindrome. The Source Code of Java Program Check for Palindrome import java.util.Scanner; /** * * @author www.EasyCodeBook.com */ public class StringPalindrome { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.print(“Enter a String to check for Palindrome: “); String s1=input.nextLine(); String s2=””;… Read More: Java Palindrome String Check »

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Java String Class Reverse Program

Task: Write a Java String Class Reverse Program. You have to use only String class objects and String class built-in methods to reverse a user supplied string. Logic behind Java String Reverse Program You will use the following standard methods provided in String class: length() method to know the length of the original string. charAt(index)… Read More: Java String Class Reverse Program »

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Java Day Number to Name switch Program

Task: Java Day Number to Name switch Program Java Program – The Use of Switch Statement through practical Java programming- Input a day number from the user Display Day Name. Source Code – Java Day Number to Name switch Program /* * Java Program – The Use of Switch Statement * Input a day number… Read More: Java Day Number to Name switch Program »

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Write and Execute Java Addition Program

Task: Write and Execute Java Addition Program. This Java Programming Tutorial will provide and explain the source code of a basic addition program in Java. The program will input two numbers from the user at run time. The Java program will calculate the sum of these two numbbers and will display the answer of addition.… Read More: Write and Execute Java Addition Program »

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Java Program Area of Triangle by Three Sides

Task: Write a Java Program Area of Triangle by Three Sides. The Source Code of Java Program Area of Triangle by Three Sides /* * Write a Java program to find the area of a triangle when lengths of three sides are given. */ package trianglearea; import java.util.Scanner; /** * @author www.EasyCodebook.com */ public class… Read More: Java Program Area of Triangle by Three Sides »

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Java Program to Calculate Area of Circle

Task: Java Program to Calculate Area of Circle What is the formula for calculating Area of Circle? The required formula for calculating area of circle is: area = π . r2 Where r is the radius of the circle and π  is a mathematical constant with fixed value 3.1415. We should declare a constant for pi… Read More: Java Program to Calculate Area of Circle »

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